#90 add multiple airlines

package.json

@@ -77,6 +77,7 @@
     },
     "nsis": {
       "oneClick": false,
+      "perMachine": true,
       "allowToChangeInstallationDirectory": true
     },
     "linux": {
@@ -94,6 +95,7 @@
     "element-ui": "^2.13.2",
     "file-url": "^3.0.0",
     "fs": "0.0.1-security",
+    "fs-extra": "^9.0.1",
     "geo-coordinates-parser": "^1.2.4",
     "geodesy": "^2.2.0",
     "idb": "^4.0.5",
@@ -143,7 +145,7 @@
     "del": "^3.0.0",
     "devtron": "^1.4.0",
     "electron": "^7.2.4",
-    "electron-builder": "^21.2.0",
+    "electron-builder": "^22.10.4",
     "electron-devtools-installer": "^2.2.4",
     "eslint": "^4.19.1",
     "eslint-config-standard": "^11.0.0",