docs: add github action as recommended usage method (#4716)

* docs: add github action as recommended usage method

Add new github action as recommended usage method now that we are no
longer sponsored by vercel and the hosted endpoint is not available
anymore.

Co-authored-by: Ulysses Zhan <UlyssesZhan@gmail.com>
Co-authored-by: Zohan Subhash <zohan.subhash@gmail.com>
Co-authored-by: Alexandr <qwerty541zxc@gmail.com>

* docs: improve action section

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Co-authored-by: Ulysses Zhan <UlyssesZhan@gmail.com>
Co-authored-by: Zohan Subhash <zohan.subhash@gmail.com>
Co-authored-by: Alexandr <qwerty541zxc@gmail.com>