Add workflow to publish Dokka HTML docs to project site

[EdricChan03]

Fixes #382

Demo: https://edricchan03.github.io/kotlin-logging/api/ (workflow run)

Note: You'll have to change the GitHub Pages source to use GitHub Actions instead, see the help docs on configuring a publishing source for more info

I've also noticed that there's a really old "docs" folder that doesn't seem to be used - should this be removed as well?

(Also, let me know if I should squash the 8 commits together on my end)

[oshai]

Nice! Thanks for the details!

I've also noticed that there's a really old "docs" folder that doesn't seem to be used - should this be removed as well?

I think so.

(Also, let me know if I should squash the 8 commits together on my end)

I can do that on submit.

[oshai]

Thanks!