refactor: migrate demo applications to playground (#4116)

* chore: detail adjustment

* refactor: Migrate demo applications to playground

* perf: logic optimization

* chore: update docs

* chore: update docs

Dockerfile

@@ -21,7 +21,7 @@ RUN echo "Builder Success 🎉"
 FROM nginx:stable-alpine as production
 
 RUN echo "types { application/javascript js mjs; }" > /etc/nginx/conf.d/mjs.conf
-COPY --from=builder /app/apps/web-antd/dist /usr/share/nginx/html
+COPY --from=builder /app/playground/dist /usr/share/nginx/html
 
 COPY ./nginx.conf /etc/nginx/nginx.conf