Enhance theme management and UI settings

- Updated AppThemeMode enum to include icons and added fromValue method for easier theme retrieval.
- Modified ThemeBloc to manage currentTheme instead of themeMode.
- Enhanced ThemeState to reflect currentTheme and updated copyWith method.
- Added ThemeSettingsView for user-friendly theme selection in settings.
- Improved fluxLightTheme and fluxDarkTheme with new listTileTheme and color settings.
- Updated settings view to navigate to ThemeSettingsView.
- Added entitlements for network client permissions in Debug and Release profiles.
- Introduced Podfile.lock for dependency management.
- Added devtools_options.yaml for Dart & Flutter DevTools configuration.

lib/main.dart

@@ -34,7 +34,7 @@ class FluxApp extends StatelessWidget {
           debugShowCheckedModeBanner: false,
           theme: fluxLightTheme,
           darkTheme: fluxDarkTheme,
-          themeMode: state.themeMode, // Applica il tema FLUX
+          themeMode: state.currentTheme.themeMode, // Applica il tema FLUX
           home: const HomeScreen(),
         );
       },