Docs wiki updates

* [ ] Distill salient points
* [ ] Break up documentation process into high level parts and branch documentation out
* [ ] Update contact information
* [ ] More pictures

Start by reviewing the current documentation wiki and its contact information, then use the checklist in the issue to identify the relevant sections. Done means the salient points are distilled, the documentation process is organized into high-level parts, contact information is updated, and pictures are added.

Written by the indexing model from the issue text.