Added TJ's content from initial wiki page with minimal modifications
faq.md -> troubleshooting.md
with a few header changes + labeling changes

Moved known issues + troubleshooting content from docs/connect.md into
troubleshooting.md page
Change link: connect/troubleshooting -> troubleshooting
Troubleshoot by LED color -> Troubleshoot by color
removing the 'coming soon' section for the CLI, it exists
getting rid of the coming soon sections on the start.md page, if we want to add this, we can re-introduce these sections then
move start.md troubleshooting content into the troubleshooting.md page (and change some headers)
another link change
Added content, fixed styling
Updated known issues