Upload component (#108)

* unified upload button + download backups

* javascript toolings

* fix vuetur config

* fixed type check error

* refactor: clean up bag javascript

Co-authored-by: Hayden <hay-kot@pm.me>

frontend/package.json

@@ -54,5 +54,11 @@
     "> 1%",
     "last 2 versions",
     "not dead"
-  ]
-}
+  ],
+  "prettier": {
+    "trailingComma": "es5",
+    "tabWidth": 2,
+    "semi": true,
+    "singleQuote": false
+  }
+}