* feat: implement app icon management and caching mechanism
* feat: enhance app synchronization and icon management
- Refactored app synchronization tasks to improve structure and clarity.
- Introduced shared context for managing app sync state and metadata.
- Updated icon handling to ensure proper content type and caching.
- Adjusted cache control settings for app icons to extend cache duration.
- Improved error handling and logging during app sync processes.
* refactor: streamline app icon retrieval by removing unused fileName return
- Removed the fileName return value from GetAppIcon function as it was not utilized.
- Enhanced the GetAppIcon method in BaseApi to improve clarity and maintainability.
- Ensured proper caching headers are set for app icons.
* feat: Implement AppStore synchronization task
- Introduced a new `syncAppStoreTask` function to handle the synchronization of applications from the AppStore.
- The function checks for updates, retrieves the application list, and manages the synchronization process, including downloading app icons and updating app details.
- Refactored the existing app synchronization logic from `SyncAppListFromRemote` into the new task for improved maintainability and clarity.
- Added logging for progress tracking during the synchronization process.
* feat: Refactor HTTP request handling to support custom client
- Introduced `HandleRequestWithClient` function to allow custom HTTP clients for requests.
- Moved the transport loading logic into the new function for better separation of concerns.
- Updated `HandleRequest` to utilize the new function, enhancing flexibility in request handling.
* refactor: Simplify HTTP request handling in app synchronization
- Replaced direct HTTP request handling with `HandleRequestWithClient` for downloading app icons and Docker Compose files.
- Removed unused variables and logging related to icon download updates for cleaner code.
- Improved error handling and logging for failed requests.
