Fix devcontainer setup

examples/fullstack/compose.yml

@@ -6,8 +6,8 @@ services:
       context: ./frontend
       target: develop
     volumes:
-      - frontend_node_modules:/app/node_modules
-      - ./frontend/src:/app/src
+      - frontend_node_modules:/app/frontend/node_modules
+      - ./frontend/:/app/frontend/
     labels:
       - "traefik.http.routers.app.rule=Host(`app.docker.localhost`)"
   reverse-proxy: