Add character deletion functionality with confirmation workflow

- Added `handleDeleteCharacter` method to handle character deletion with confirmation prompts.
- Updated `CharacterComponent` and `CharacterDetail` to include delete button and related logic.
- Localized new strings for character deletion (e.g., confirmation prompts, success/error messages).
- Enhanced database repository methods (`deleteCharacter`) to handle character deletion securely.
- Improved synchronization workflows to accommodate character deletion.

electron/main.ts

@@ -15,6 +15,7 @@ import './ipc/chapter.ipc.js';
 import './ipc/character.ipc.js';
 import './ipc/location.ipc.js';
 import './ipc/offline.ipc.js';
+import './ipc/spell.ipc.js';
 
 // Fix pour __dirname en ES modules
 const __filename = fileURLToPath(import.meta.url);