Feature: add Google Drive backup and restore integration

README.md

@@ -71,6 +71,13 @@ API_PORT=7002
 VG_DB_NAME=video_games
 VG_DB_USER=video_games_user
 VG_DB_PASSWORD=change_me
+APP_BASIC_AUTH_USER=beuz
+APP_BASIC_AUTH_PASSWORD=change_me_now
+PUBLIC_BASE_URL=http://localhost:7001
+GOOGLE_CLIENT_ID=
+GOOGLE_CLIENT_SECRET=
+GOOGLE_REDIRECT_URI=
+GOOGLE_DRIVE_FOLDER_NAME=BeuzGamesBackups
 ```
 
 Tu peux mettre `7000` si ce port est libre sur ta machine.
@@ -149,6 +156,13 @@ git pull
   - POST `/api/backup/restore` (modes `merge` ou `replace`)
   - snapshot auto en base avant restore `replace` (`backup_snapshots`)
   - actions accessibles dans le panneau lateral `Outils`
+- Etape 7: sauvegarde/restauration Google Drive (OAuth)
+  - GET `/api/google/status`
+  - GET `/api/google/connect-url`
+  - GET `/auth/google/callback`
+  - POST `/api/google/backup/upload`
+  - GET `/api/google/backups`
+  - POST `/api/google/backup/restore`
 
 ## Import Excel (COLLECTIONS.xlsx)