add docs directory to cookiecutter template with the necessary tooling to build

[lila]

it would be nice to have the cookiecutter template that is created to include a docs directory that has the docs-as-code templates. for example https://github.com/lila/readthedoc-test uses sphinx and github actions to build and deploy in github pages. other frameworks are fine too...

[jonchenn]

Thanks for the good suggestion, Karan. We use FastAPI that automatically generates swagger API docs, and we also use Redoc (https://github.com/Redocly/redoc) for the doc UI. I'll add these to this template documentation.

[lavjain]

Cookiecutter has been replaced by copier