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/database/schema.ts

@@ -1,4 +1,5 @@
 import sqlite3 from 'node-sqlite3-wasm';
+import { app } from 'electron';
 
 type Database = sqlite3.Database;
 
@@ -18,11 +19,9 @@ const schemaVersion = 1;
  * DEV ONLY - S'exécute à chaque refresh, pas besoin de version
  * Mets ta query, test, efface après
  */
-const devQueries: string[] = [
+const devQueries: string[] = [];
 
-];
-
-const isDev = process.env.NODE_ENV === 'development';
+const isDev:boolean = !app.isPackaged;
 
 function columnExists(db: Database, table: string, column: string): boolean {
     const result = db.all(`PRAGMA table_info(${table})`) as { name: string }[];