docs(README): point docs to website (#5041)

* docs(README): point docs to website

* Update docs/README.md

docs/README.md

 # code-server
 
-[!["GitHub Discussions"](https://img.shields.io/badge/%20GitHub-%20Discussions-gray.svg?longCache=true&logo=github&colorB=purple)](https://github.com/coder/code-server/discussions) [!["Join us on Slack"](https://img.shields.io/badge/join-us%20on%20slack-gray.svg?longCache=true&logo=slack&colorB=brightgreen)](https://coder.com/community) [![Twitter Follow](https://img.shields.io/twitter/follow/CoderHQ?label=%40CoderHQ&style=social)](https://twitter.com/coderhq) [![codecov](https://codecov.io/gh/coder/code-server/branch/main/graph/badge.svg?token=5iM9farjnC)](https://codecov.io/gh/coder/code-server) [![See v4.2.0 docs](https://img.shields.io/static/v1?label=Docs&message=see%20v4.2.0%20&color=blue)](https://github.com/coder/code-server/tree/v4.2.0/docs)
+[!["GitHub Discussions"](https://img.shields.io/badge/%20GitHub-%20Discussions-gray.svg?longCache=true&logo=github&colorB=purple)](https://github.com/coder/code-server/discussions) [!["Join us on Slack"](https://img.shields.io/badge/join-us%20on%20slack-gray.svg?longCache=true&logo=slack&colorB=brightgreen)](https://coder.com/community) [![Twitter Follow](https://img.shields.io/twitter/follow/CoderHQ?label=%40CoderHQ&style=social)](https://twitter.com/coderhq) [![codecov](https://codecov.io/gh/coder/code-server/branch/main/graph/badge.svg?token=5iM9farjnC)](https://codecov.io/gh/coder/code-server) [![See latest](https://img.shields.io/static/v1?label=Docs&message=see%20latest&color=blue)](https://coder.com/docs/code-server/latest)
 
 Run [VS Code](https://github.com/Microsoft/vscode) on any machine anywhere and
 access it in the browser.