diff --git a/chat-app/package-lock.json b/chat-app/package-lock.json
index f3c0298..e51f277 100644
--- a/chat-app/package-lock.json
+++ b/chat-app/package-lock.json
@@ -4,11 +4,6 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "@types/node": {
-      "version": "10.12.18",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.18.tgz",
-      "integrity": "sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ=="
-    },
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -628,14 +623,6 @@
         }
       }
     },
-    "flat": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/flat/-/flat-4.1.0.tgz",
-      "integrity": "sha512-Px/TiLIznH7gEDlPXcUD4KnBusa6kR6ayRUVcnEAbreRIuhkqow/mun59BuRXwoYk7ZQOLW1ZM05ilIvK38hFw==",
-      "requires": {
-        "is-buffer": "~2.0.3"
-      }
-    },
     "forever-agent": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
@@ -851,11 +838,6 @@
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.8.0.tgz",
       "integrity": "sha1-6qM9bd16zo9/b+DJygRA5wZzix4="
     },
-    "is-buffer": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.3.tgz",
-      "integrity": "sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw=="
-    },
     "is-fullwidth-code-point": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
@@ -981,11 +963,6 @@
         "safe-buffer": "^5.0.1"
       }
     },
-    "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
-    },
     "lodash.includes": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz",
@@ -1080,6 +1057,14 @@
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.22.2.tgz",
       "integrity": "sha1-PCV/mDn8DpP/UxSWMiOeuQeD/2Y="
     },
+    "moment-timezone": {
+      "version": "0.5.33",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.33.tgz",
+      "integrity": "sha512-PTc2vcT8K9J5/9rDEPe5czSIKgLoGsH8UNpA4qZTVw0Vd/Uz19geE9abbIOQKaAQFcnQ3v5YEXrbSc5BpshH+w==",
+      "requires": {
+        "moment": ">= 2.9.0"
+      }
+    },
     "ms": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
@@ -1118,6 +1103,14 @@
       "resolved": "https://registry.npmjs.org/net/-/net-1.0.2.tgz",
       "integrity": "sha1-0XV+yaf7I3HYPPR1XOPifhCCk4g="
     },
+    "node-cron": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/node-cron/-/node-cron-3.0.0.tgz",
+      "integrity": "sha512-DDwIvvuCwrNiaU7HEivFDULcaQualDv7KoNlB/UU1wPW0n1tDEmBJKhEIE6DlF2FuoOHcNbLJ8ITL2Iv/3AWmA==",
+      "requires": {
+        "moment-timezone": "^0.5.31"
+      }
+    },
     "node-gyp": {
       "version": "3.6.3",
       "resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-3.6.3.tgz",
@@ -1512,11 +1505,6 @@
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
       "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
     },
-    "slang": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/slang/-/slang-0.3.0.tgz",
-      "integrity": "sha1-E691tPDAGMaoGT1wT2WyO+T7q9w="
-    },
     "sntp": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/sntp/-/sntp-1.0.9.tgz",
@@ -1674,13 +1662,26 @@
       "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
     },
     "tar": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.1.tgz",
-      "integrity": "sha1-jk0qJWwOIYXGsYrWlK7JaLg8sdE=",
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
+      "integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
       "requires": {
         "block-stream": "*",
-        "fstream": "^1.0.2",
+        "fstream": "^1.0.12",
         "inherits": "2"
+      },
+      "dependencies": {
+        "fstream": {
+          "version": "1.0.12",
+          "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
+          "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "inherits": "~2.0.0",
+            "mkdirp": ">=0.5 0",
+            "rimraf": "2"
+          }
+        }
       }
     },
     "tar-pack": {
@@ -1698,25 +1699,6 @@
         "uid-number": "^0.0.6"
       }
     },
-    "tclogformat": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/tclogformat/-/tclogformat-2.0.1.tgz",
-      "integrity": "sha512-E6BF56Wdxd0RrVrvgFhJykF2lIRqkJrS8J5BD0V8OkEQaW3KAGo3sZiUIylVLVdlcW6RxsHAz12vK65/D59NEQ==",
-      "requires": {
-        "flat": "^4.1.0",
-        "lodash": "^4.17.11",
-        "moment": "^2.22.2"
-      }
-    },
-    "tclogger": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/tclogger/-/tclogger-3.0.1.tgz",
-      "integrity": "sha512-QcyTyPouxog8grOC92gIKl1snhCsAFLsE8z5+XKkfYlX9c3n4fs4WkZBgDfaxIzcIrKPoac1Kk2pYGZX+XMgFg==",
-      "requires": {
-        "lodash": "^4.17.11",
-        "tclogformat": "^2.0.1"
-      }
-    },
     "to-array": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
@@ -1834,17 +1816,6 @@
         "string-width": "^1.0.2 || 2"
       }
     },
-    "wkhtmltox": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/wkhtmltox/-/wkhtmltox-1.1.4.tgz",
-      "integrity": "sha512-SRFX7/hbnbYrfJ7AlbVFNe1Wys4ebFvhsjTB7aLV00cXu+op06aENGNTYoBfPI/G7UZJ3U0JPpS2AMSFFFlH7g==",
-      "requires": {
-        "@types/node": "~10.12.10",
-        "lodash": "^4.17.11",
-        "slang": "^0.3.0",
-        "tclogger": "^3.0.1"
-      }
-    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",