📝 docs: Update README.md (#1481)

* Update README.md

Adding info about GitHub Actions

* Update README.zh-CN.md

README.md

@@ -397,6 +397,9 @@ If you want to deploy this service yourself on either Vercel or Zeabur, you can
 
 </div>
 
+#### After Fork
+After fork, only retain the upstream sync action and disable other actions in your repository on GitHub.
+
 #### Keep Updated
 
 If you have deployed your own project following the one-click deployment steps in the README, you might encounter constant prompts indicating "updates available." This is because Vercel defaults to creating a new project instead of forking this one, resulting in an inability to detect updates accurately.

README.zh-CN.md

@@ -378,6 +378,9 @@ LobeChat 提供了 Vercel 的 自托管版本 和 [Docker 镜像][docker-release
 
 </div>
 
+#### Fork 之后
+在 Fork 后，请只保留 "upstream sync" Action 并在你 fork 的 GitHub Repo 中禁用其他 Action。
+
 #### 保持更新
 
 如果你根据 README 中的一键部署步骤部署了自己的项目，你可能会发现总是被提示 “有可用更新”。这是因为 Vercel 默认为你创建新项目而非 fork 本项目，这将导致无法准确检测更新。