feat: Implement template management feature

- Added IPC handlers for selecting directories, loading, saving, and executing templates.
- Created a new TemplateListScreen for displaying and managing templates.
- Developed CreateTemplateScreen for creating and editing templates with file and directory management.
- Updated routing to include new template screens.
- Enhanced MainScreen with navigation to template management.
- Added localization for new template-related strings in English and Chinese.
- Introduced a Pinia store for managing template data.
- Implemented tests for template creation, listing, and detail viewing.

src/renderer/screens/index.ts

@@ -1,5 +1,13 @@
 import ErrorScreen from '@/renderer/screens/ErrorScreen.vue'
 import MainScreen from '@/renderer/screens/MainScreen.vue'
 import SecondScreen from '@/renderer/screens/SecondScreen.vue'
+import TemplateListScreen from '@/renderer/screens/TemplateListScreen.vue'
+import CreateTemplateScreen from '@/renderer/screens/CreateTemplateScreen.vue'
 
-export { ErrorScreen, MainScreen, SecondScreen }
+export {
+  ErrorScreen,
+  MainScreen,
+  SecondScreen,
+  TemplateListScreen,
+  CreateTemplateScreen
+}