Update README.md to clarify website hosting and structure (#445)

Signed-off-by: xuezhaojun <[email protected]>

README.md

@@ -1,9 +1,8 @@
 # Website
-This repo host the website code of open-cluster-management project. After the PR is merged, the compiled website page will be published to gh-page branch in this repo.
 
-The open-cluster-management website is based on the [Hugo framework](https://github.com/gohugoio/hugo), with the [Docsy](https://www.docsy.dev/) applied, and is written in Markdown format.
+This repo hosts the website code of open-cluster-management project. The docs website is hosted at https://www.netlify.com/.
 
-The docs website is hosted at https://www.netlify.com/.
+The open-cluster-management website is based on the [Hugo framework](https://github.com/gohugoio/hugo), with the [Docsy](https://www.docsy.dev/) applied, and is written in Markdown format.
 
 You can always click the Edit this page link at the top right of each page, but if you want to test your changes locally before submitting you can: