feat: support custom tracker url (#59)

ui/flutter/pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.0.0+1
+version: 1.2.0+1
 
 environment:
   sdk: ">=2.17.6 <3.0.0"
@@ -50,6 +50,8 @@ dependencies:
   external_path: ^1.0.3
   logger: ^1.1.0
   desktop_drop: ^0.3.3
+  intl: ^0.17.0
+  package_info_plus: ^3.0.2
 
 dev_dependencies:
   flutter_test: