feat: mobile-like window size and always-visible stats

- Changed window size to mobile phone format (400x800)
- Removed width condition for ActiveProxyFooter - now always visible
- Added run-umbrix.sh launch script with icon copying
- Stats cards now display on all screen sizes

pubspec.yaml

@@ -1,7 +1,7 @@
-name: hiddify
+name: umbrix
 description: Cross Platform Multi Protocol Proxy Frontend.
 publish_to: "none"
-version: 0.1.0+100
+version: 1.7.0+170
 
 environment:
   sdk: ">=3.3.0 <4.0.0"
@@ -47,6 +47,7 @@ dependencies:
   tray_manager: ^0.2.1
   package_info_plus: ^5.0.1
   url_launcher: ^6.2.5
+  open_file: ^3.3.2
   vclibs: ^0.1.2
   launch_at_startup: ^0.2.2
   sentry_flutter: ^7.16.1