Add login page and social login integration

- Implement `LoginPage`, `LoginForm`, and `SocialForm` components.
- Add language toggle and dynamic title support.
- Update `tsconfig.electron.json` for stricter settings.
- Add `electron-store` and associated types for token storage.
- Update `package.json` scripts and dependencies for Electron compatibility.

app/globals.css

@@ -22,6 +22,10 @@
     --color-gray-light: #A0A0A0;
     --color-gray-dark: #404040;
 
+    /* Aliases pour compatibilité */
+    --color-textPrimary: #FFFFFF;
+    --color-textSecondary: #B0B0B0;
+
     /* Font Family */
     --font-family-lora: 'Lora', Georgia, serif;
     --font-family-lora-italic: 'Lora Italic', serif;