feat: add donation info

lib/features/profile/views/profile_page.dart

@@ -35,6 +35,9 @@ import '../../../shared/widgets/model_avatar.dart';
 /// Profile page (You tab) showing user info and main actions
 /// Enhanced with production-grade design tokens for better cohesion
 class ProfilePage extends ConsumerWidget {
+  static const _githubSponsorsUrl = 'https://github.com/sponsors/cogwheel0';
+  static const _buyMeACoffeeUrl = 'https://www.buymeacoffee.com/cogwheel0';
+
   const ProfilePage({super.key});
 
   @override
@@ -161,11 +164,123 @@ class ProfilePage extends ConsumerWidget {
                 end: 0,
                 curve: AnimationCurves.pageTransition,
               ),
+          const SizedBox(height: Spacing.sectionGap),
+          _buildSupportSection(context)
+              .animate()
+              .fadeIn(
+                delay: AnimationDelay.medium,
+                duration: AnimationDuration.pageTransition,
+              )
+              .slideY(
+                begin: 0.08,
+                end: 0,
+                curve: AnimationCurves.pageTransition,
+              ),
         ],
       ),
     );
   }
 
+  Widget _buildSupportSection(BuildContext context) {
+    final theme = context.conduitTheme;
+    final textTheme =
+        theme.bodySmall?.copyWith(color: theme.textSecondary) ??
+        TextStyle(color: theme.textSecondary);
+
+    final supportTiles = [
+      _buildSupportOption(
+        context,
+        icon: UiUtils.platformIcon(
+          ios: CupertinoIcons.heart,
+          android: Icons.favorite_border,
+        ),
+        title: AppLocalizations.of(context)!.githubSponsorsTitle,
+        subtitle: AppLocalizations.of(context)!.githubSponsorsSubtitle,
+        url: _githubSponsorsUrl,
+        color: theme.success,
+      ),
+      _buildSupportOption(
+        context,
+        icon: UiUtils.platformIcon(
+          ios: CupertinoIcons.gift,
+          android: Icons.coffee,
+        ),
+        title: AppLocalizations.of(context)!.buyMeACoffeeTitle,
+        subtitle: AppLocalizations.of(context)!.buyMeACoffeeSubtitle,
+        url: _buyMeACoffeeUrl,
+        color: theme.warning,
+      ),
+    ];
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Text(
+          AppLocalizations.of(context)!.supportConduit,
+          style: theme.headingSmall?.copyWith(color: theme.textPrimary),
+        ),
+        const SizedBox(height: Spacing.xs),
+        Text(
+          AppLocalizations.of(context)!.supportConduitSubtitle,
+          style: textTheme,
+        ),
+        const SizedBox(height: Spacing.sm),
+        for (var i = 0; i < supportTiles.length; i++) ...[
+          supportTiles[i],
+          if (i != supportTiles.length - 1) const SizedBox(height: Spacing.md),
+        ],
+      ],
+    );
+  }
+
+  Widget _buildSupportOption(
+    BuildContext context, {
+    required IconData icon,
+    required String title,
+    required String subtitle,
+    required String url,
+    required Color color,
+  }) {
+    final theme = context.conduitTheme;
+    return _ProfileSettingTile(
+      onTap: () => _openExternalLink(context, url),
+      isDestructive: false,
+      leading: _buildIconBadge(context, icon, color: color),
+      title: title,
+      subtitle: subtitle,
+      trailing: Icon(
+        UiUtils.platformIcon(
+          ios: CupertinoIcons.arrow_up_right,
+          android: Icons.open_in_new,
+        ),
+        color: theme.iconSecondary,
+        size: IconSize.small,
+      ),
+    );
+  }
+
+  Future<void> _openExternalLink(BuildContext context, String url) async {
+    try {
+      final launched = await launchUrlString(
+        url,
+        mode: LaunchMode.externalApplication,
+      );
+
+      if (!launched && context.mounted) {
+        UiUtils.showMessage(
+          context,
+          AppLocalizations.of(context)!.errorMessage,
+        );
+      }
+    } on PlatformException catch (_) {
+      if (!context.mounted) return;
+      UiUtils.showMessage(context, AppLocalizations.of(context)!.errorMessage);
+    } catch (_) {
+      if (!context.mounted) return;
+      UiUtils.showMessage(context, AppLocalizations.of(context)!.errorMessage);
+    }
+  }
+
   Widget _buildProfileHeader(
     BuildContext context,
     dynamic user,