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.

package.json

@@ -43,6 +43,7 @@
   },
   "dependencies": {
     "electron-log": "^5.4.3",
+    "fs-extra": "^11.3.2",
     "pinia": "^3.0.3",
     "qsu": "^1.10.2",
     "vue": "^3.5.22",
@@ -53,6 +54,7 @@
     "@eslint/js": "^9.37.0",
     "@mdi/js": "^7.4.47",
     "@playwright/test": "^1.56.1",
+    "@types/fs-extra": "^11.0.4",
     "@typescript-eslint/parser": "^8.46.1",
     "@vitejs/plugin-vue": "^6.0.1",
     "@vitejs/plugin-vue-jsx": "^5.1.1",