Added application settings and basic filewatcher.

package.json

@@ -7,8 +7,11 @@
   "dependencies": {
     "@fingerprintjs/fingerprintjs": "^2.1.4",
     "antd": "^4.7.0",
+    "chokidar": "^3.4.3",
+    "dbffile": "^1.4.3",
     "dotenv": "^8.2.0",
     "electron-is-dev": "^1.2.0",
+    "electron-settings": "^4.0.2",
     "electron-squirrel-startup": "^1.0.0",
     "node-sass": "^4.14.1",
     "react": "^16.13.1",