diff --git a/package-lock.json b/package-lock.json
index 5df215c..47e5d44 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1198,6 +1198,7 @@
           "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
           "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
           "dev": true,
+          "optional": true,
           "requires": {
             "co": "^4.6.0",
             "fast-deep-equal": "^1.0.0",
@@ -1209,7 +1210,8 @@
               "version": "4.6.0",
               "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
               "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=",
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -1405,6 +1407,7 @@
               "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
               "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
               "dev": true,
+              "optional": true,
               "requires": {
                 "prelude-ls": "~1.1.2",
                 "type-check": "~0.3.2"
@@ -1539,7 +1542,8 @@
           "version": "1.1.0",
           "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
           "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "figures": {
           "version": "2.0.0",
@@ -1628,7 +1632,8 @@
               "version": "4.0.8",
               "resolved": "https://registry.npmjs.org/rx-lite/-/rx-lite-4.0.8.tgz",
               "integrity": "sha1-Cx4Rr4vESDbwSmQH6S2kJGe3lEQ=",
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "rx-lite-aggregates": {
               "version": "4.0.8",
@@ -1660,7 +1665,8 @@
           "version": "0.3.1",
           "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
           "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mute-stream": {
           "version": "0.0.7",
@@ -5282,7 +5288,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -5303,12 +5310,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -5323,17 +5332,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -5450,7 +5462,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -5462,6 +5475,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -5476,6 +5490,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -5483,12 +5498,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -5507,6 +5524,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -5587,7 +5605,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -5599,6 +5618,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -5684,7 +5704,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5720,6 +5741,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -5739,6 +5761,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -5782,12 +5805,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -11538,9 +11563,9 @@
       }
     },
     "ws": {
-      "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
-      "integrity": "sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==",
+      "version": "6.2.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.2.tgz",
+      "integrity": "sha512-zmhltoSR8u1cnDsD43TX59mzoMZsLKqUweyYBAIvTngR3shc0W6aOZylZmq/7hqyVxPdi+5Ud2QInblgyE72fw==",
       "dev": true,
       "requires": {
         "async-limiter": "~1.0.0"
diff --git a/yarn.lock b/yarn.lock
index a02980e..1894e68 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -996,6 +996,13 @@
     source-map "~0.6.1"
     vue-template-es2015-compiler "^1.9.0"
 
+"@vue/composition-api@^0.2.1":
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/@vue/composition-api/-/composition-api-0.2.1.tgz#d6b4327b308ac474982536f86bf44dd00271742d"
+  integrity sha512-eRmvToKbNjFXYyuFZ8e9KUcBXwDj0PQR1ngZP4u3R2jR9yjIbvgEsj7IKoddSKYiEkMttn+JiaSKX7n+REQBBw==
+  dependencies:
+    tslib "^1.9.3"
+
 "@vue/preload-webpack-plugin@^1.1.0":
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/@vue/preload-webpack-plugin/-/preload-webpack-plugin-1.1.1.tgz#18723530d304f443021da2292d6ec9502826104a"
@@ -5008,6 +5015,11 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
+material-design-icons-iconfont@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/material-design-icons-iconfont/-/material-design-icons-iconfont-5.0.1.tgz#371875ed7fe9c8c520bc7123c3231feeab731c31"
+  integrity sha512-Xg6rIdGrfySTqiTZ6d+nQbcFepS6R4uKbJP0oAqyeZXJY/bX6mZDnOmmUJusqLXfhIwirs0c++a6JpqVa8RFvA==
+
 md5.js@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.5.tgz#b5d07b8e3216e3e27cd728d72f70d1e6a342005f"
@@ -8039,13 +8051,6 @@ vue-eslint-parser@^5.0.0:
     esquery "^1.0.1"
     lodash "^4.17.11"
 
-vue-function-api@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/vue-function-api/-/vue-function-api-2.1.2.tgz#ba43d1b379b0a862daeb0dac3a63069eecefa5e6"
-  integrity sha512-JrQIGrfyWta4+8e1JIaQB8gZjhYqs+yOkBMXD+j1248iGu4YrwMVV3x0RRXnsAFmghWrrjkXYzesrJH/+7UXBA==
-  dependencies:
-    tslib "^1.9.3"
-
 vue-hot-reload-api@^2.3.0:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/vue-hot-reload-api/-/vue-hot-reload-api-2.3.3.tgz#2756f46cb3258054c5f4723de8ae7e87302a1ccf"
@@ -8062,6 +8067,11 @@ vue-loader@^15.7.0:
     vue-hot-reload-api "^2.3.0"
     vue-style-loader "^4.1.0"
 
+vue-router@^3.1.2:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-3.5.1.tgz#edf3cf4907952d1e0583e079237220c5ff6eb6c9"
+  integrity sha512-RRQNLT8Mzr8z7eL4p7BtKvRaTSGdCbTy2+Mm5HTJvLGYSSeG9gDzNasJPP/yOYKLy+/cLG/ftrqq5fvkFwBJEw==
+
 vue-style-loader@^4.1.0:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/vue-style-loader/-/vue-style-loader-4.1.2.tgz#dedf349806f25ceb4e64f3ad7c0a44fba735fcf8"
@@ -8339,9 +8349,9 @@ write@^0.2.1:
     mkdirp "^0.5.1"
 
 ws@^6.0.0, ws@^6.2.1:
-  version "6.2.1"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.1.tgz#442fdf0a47ed64f59b6a5d8ff130f4748ed524fb"
-  integrity sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==
+  version "6.2.2"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.2.tgz#dd5cdbd57a9979916097652d78f1cc5faea0c32e"
+  integrity sha512-zmhltoSR8u1cnDsD43TX59mzoMZsLKqUweyYBAIvTngR3shc0W6aOZylZmq/7hqyVxPdi+5Ud2QInblgyE72fw==
   dependencies:
     async-limiter "~1.0.0"