First draft of pipeline documentation

[skchronicles]

Changelog

Pipeline

• Removing last references to any SLURM env variables

Documentation

• Adding GH action to build documentation
• Adding python package requirements for mkdocs
• Adding README for developers adding to docs
• Adding an index, tmp FAQ, and LICENSE
• Adding pages for each sub command
• Patching jsmin version and python interpreter in docs build

[skchronicles]

@mtandon09 You will need to update the Pages section in the repo's setting to add the gh-pages branch as the documentation's source.