fix : backup nocodb data folders while running docker-com

Signed-off-by: Naveen MR <oof1lab@gmail.com>

docker-compose/pg/docker-compose.yml

@@ -6,6 +6,7 @@ services:
     restart: always
     volumes:
       - db_data:/var/lib/postgresql/data
+      - nc_data:/usr/app/data
     environment:
       POSTGRES_PASSWORD: password
       POSTGRES_USER: postgres
@@ -27,3 +28,4 @@ services:
       NC_DB: "pg://root_db:5432?u=postgres&p=password&d=root_db"
 volumes:
   db_data: {}
+  nc_data: {}