fix: update container names in docker-compose for backend and frontend services

docker-compose.yml

@@ -5,14 +5,14 @@ services:
     build:
       context: ./backend
       dockerfile: Dockerfile
-    container_name: my-backend
+    container_name: odoo-hours-backend
     restart: unless-stopped
 
   frontend:
     build:
       context: ./frontend
       dockerfile: Dockerfile
-    container_name: my-frontend
+    container_name: odoo-hours-frontend
     ports:
       - "6080:80"
     restart: unless-stopped