[DOC] Setup Github Pages for docs

[AditModi]

Description

(Brief description on what this PR is about)

• Setup Github Pages for docs

More details in this issue #4

Checklist

• PR's title starts with a category (e.g. [BUGFIX], [MODEL], [TUTORIAL], [FEATURE], [DOC], etc)
• Changes are complete (i.e. I finished coding on this PR)
• All changes have test coverage
• Code is well-documented

cc @awslabs/raf-reviewer

[comaniac]

Thanks for the PR. Please be aware that README.md is auto-generated, so you will need to change docs/gen_readme.py and ci/task_check_autogen.sh accordingly.

[AditModi]

Thanks for the PR. Please be aware that README.md is auto-generated, so you will need to change docs/gen_readme.py and ci/task_check_autogen.sh accordingly.

It is possible to merge changes to main branch or there are issues I need to fix?

[comaniac]

Of course we could merge the PR., but please first see my comments and fix the CI error accordingly.

[comaniac]

Closing this PR due to inactive. Feel free to re-open with the mention fixes.