Setup readthedocs and CI job for checking documentation building

[Lee-W]

• circleci
  • add build-docs step for check doc building process
  • use python 3.11 for consistency
• readthedocs
  • add readthedocs config

close #94

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[Lee-W]

According to build, it seems as if we already connect to the readthedocs, it will build for us automatically. @sunank200 Do you know who have the access to read the dashboard so that we can check? Thanks!

[sunank200]

According to build, it seems as if we already connect to the readthedocs, it will build for us automatically. @sunank200 Do you know who have the access to read the dashboard so that we can check? Thanks!

Do we need to build this for readthedocs now?

[Lee-W]

not really, more like a nice to have and GitHub pages would be another option that's easier to setup

[pankajastro]

@sunank200 do you want to hold for https://github.com/astronomer/ask-astro/pull/93#pullrequestreview-1722356502 or we should merge it or wdyt?

[pankajastro]

@sunank200 do you want to hold for #93 (review) or we should merge it or wdyt?

created GH issue https://github.com/astronomer/ask-astro/issues/122 to track it