* Add nano editor commands for file edits
This PR adds `sudo nano /path/to/file.ext` as well as closing/saving instructions
Adding nano edit commands to the page will improve people's ability to execute these steps. As noted during a Nero3D stream, neither our VzBot docs nor the page we linked to on KlipperScreen explained *how* to edit the file.
* Format table
Improved wording on changes to the DSI driver / bug
Remove an empty possibility on touch matrix
Add extra sources / help on touch matrix
Some Markdown compliance fixes (spacing etc)
