v1.0.7: updater, website button, timer sync indicator, server flow fix

- App: manual update checker (GitHub API, Play Store redirect)
- App: website button in sidebar
- App: timer_box shows Connecting/Syncing spinner during handshake
- App: synced app_config.example.dart with app_config.dart
- Sidebar: 6 rows (added Website, Check for updates)
- Server: add_vless_client now includes flow xtls-rprx-vision
- Deps: added package_info_plus
- Version bump: 1.0.6+10 → 1.0.7+11
- CHANGELOG.md created

lib/logic/app_config.example.dart

@@ -1,19 +1,12 @@
 // =============================================================================
 //  app_config.example.dart — TEMPLATE FOR SERVER SETTINGS
 //  ─────────────────────────────────────────────────────────────────────────────
-//  Rename this file to `app_config.dart` and fill in your real values.
-//  Do not commit your real `app_config.dart` to GitHub!
-//
-//  Most Reality tunnel fields (vless_ip, vless_port, reality_pbk, reality_sid,
-//  reality_sni, reality_fp) come from the server's /session/status response.
-//  The constants below are fallbacks — the server is the source of truth.
-// =============================================================================
 
 abstract final class AppConfig {
   AppConfig._();
 
   // ── Server (API) ──────────────────────────────────────────────────────
-  static const String serverDomain = 'yourdomain.com';  // ◄── REPLACE
+  static const String serverDomain = 'yourdomain.com'; 
 
   static String get hivemindApiBase => 'https://$serverDomain/api';
 
@@ -27,6 +20,15 @@ abstract final class AppConfig {
   static const String vlessType     = 'tcp';
   static const String vlessFlow     = 'xtls-rprx-vision';
 
+  // ── Updates ────────────────────────────────────────────────────────────
+  /// Used by the updater.
+  static const String applicationId = 'com.paladinvpn.app';  
+  static const String githubOwner   = 'YOUR_USERNAME';       
+  static const String githubRepo    = 'revoltvpn';          
+
+  /// Fallback URL if the GitHub API call fails.
+  static const String githubReleasesUrl = 'https://github.com/$githubOwner/$githubRepo/releases/latest';
+
   // ── AdMob ──────────────────────────────────────────────────────────────
   static const String adUnitId = 'ca-app-pub-0000000000000000/0000000000'; // REPLACE
 }