Move the docs to Docusaurus

[KemingHe]

• [x] I assume you are looking for a Docusaurus site contained in the docs dir?

Building an entire doc site, even with scaffolding, is still a large size feature. Thus, please show us how you want the site to look before we continue. Much appreciated!!

[ad1992]

I assume you are looking for a Docusaurus site contained in the docs dir?

Yes

Building an entire doc site, even with scaffolding, is still a large size feature. Thus, please show us how you want the site to look before we continue. Much appreciated!!

The first step is just the readme so that will moved to Docusaurus as the first step, rest all can be discussed as we make progress on the PR.