feat: Introduce Alerts, Clips, and Settings tabs, update theme colors, and enhance ThemedView, ThemedText, and IconSymbol components.

MobileApp/components/ui/icon-symbol.tsx

@@ -1,7 +1,7 @@
 // Fallback for using MaterialIcons on Android and web.
 
 import MaterialIcons from '@expo/vector-icons/MaterialIcons';
-import { SymbolWeight, SymbolViewProps } from 'expo-symbols';
+import { SymbolViewProps, SymbolWeight } from 'expo-symbols';
 import { ComponentProps } from 'react';
 import { OpaqueColorValue, type StyleProp, type TextStyle } from 'react-native';
 
@@ -18,6 +18,9 @@ const MAPPING = {
   'paperplane.fill': 'send',
   'chevron.left.forwardslash.chevron.right': 'code',
   'chevron.right': 'chevron-right',
+  'bell.fill': 'notifications',
+  'film.fill': 'video-library',
+  'gearshape.fill': 'settings',
 } as IconMapping;
 
 /**