Document API v1 endpoints

[wwsean08]

Create initial documentation for API endpoints, as well as updates the .gitignore to ignore the .idea directory for us jetbrains users.

Related to #60 Related to #8

Description

Endpoints documented:

• [X] /api/v1/twitch-events
• [x] /api/v1/heartbeat
• [x] /api/v1/streamers
• [x] /api/v1/twitch/scopes
• [x] /api/v1/twitch/helix-endpoints

Create CI job to build the docs using mkdocs in the read the docs theme in prep for deploying them, see https://github.com/wwsean08/tau/actions/runs/975634598 as an example with the mkdocs artifact that you can open to view the docs live in your browser.

Motivation and Context

Make usage of tau easier for new users by documenting the various API endpoints.

How Has This Been Tested?

N/A

Types of changes

• [X] Documentation

Checklist:

• [X] My change requires a change to the documentation.
• [X] I have updated the documentation accordingly.

[wwsean08]

No more changes planned unless there are changes requested.

[FiniteSingularity]

This looks fantastic! Thanks for all your hard work getting these endpoints documented @wwsean08.