feat: add mobile shell and unified search

apps/mobile-rn/__tests__/templates-memos-screens.test.tsx

@@ -7,7 +7,10 @@ const mockSelectTemplate = jest.fn()
 const mockSearchMemos = jest.fn()
 const mockAddMemoTag = jest.fn()
 
-jest.mock('@react-navigation/native', () => ({ useIsFocused: () => true }))
+jest.mock('@react-navigation/native', () => ({
+  useIsFocused: () => true,
+  useNavigation: () => ({ goBack: jest.fn() }),
+}))
 jest.mock('react-native-safe-area-context', () => ({ useSafeAreaInsets: () => ({ top: 0, bottom: 0, left: 0, right: 0 }) }))
 jest.mock('@d3ro/i18n', () => ({
   useI18n: () => ({