📦 build(picx): optimize docker deployment

- switch from local build to pre-built ghcr.io images
- simplify docker-compose configuration by removing build context
- fix entrypoint.sh copy path in latest Dockerfile
- add multi-architecture support to data.yml

apps/picx/latest/Dockerfile

@@ -12,7 +12,7 @@ RUN apk update && \
 RUN git clone -b gh-pages https://github.com/XPoet/picx
 
 # 将entrypoint.sh脚本文件复制到工作目录/app/
-COPY entrypoint.sh /app/
+COPY apps/picx/latest/entrypoint.sh /app/
 # 赋予entrypoint.sh脚本文件可执行权限
 RUN chmod +x /app/entrypoint.sh