fixed laptop to iPhone switching button position (#17)

* feat: laptop 모드 버튼 위치 고정
* chore: package repository 수정

Author: BangDori

package.json

@@ -14,7 +14,7 @@
   "types": "dist/types/index.d.ts",
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/BangDori/react-iphone-layout"
+    "url": "git+https://github.com/BangDori/react-iphone-layout.git"
   },
   "bugs": {
     "url": "https://github.com/BangDori/react-iphone-layout/issues",

playground/src/ui/control-box/Position.css

@@ -39,7 +39,7 @@
 }
 
 .laptop__mode {
-  position: absolute;
+  position: fixed;
   left: 8px;
   bottom: 8px;
 }