* Add Sphinx Makefile to repo
Add the Sphinx Makefile to the repository.
* Fix (R) symbol on tunnel diagram
Fix the (R) symbol on the tunneling diagram.
* Tweak conf.py
* Revert "Tweak conf.py"
This reverts commit 8bf1c874ec.
* Set March 2021 Release Date
Set the doc release date to March 2021 so it corresponds to the next
code Stable Release of 3.21.3.0
* Adjust Tunnel diagram
Tighten up the tunnel diagram.
* Clarify Tunnel Client Graphic
Clarify the graphic for tunnel clients.
* Adjust alert banner color
Adjust alert banner to display the new color.
* Add AAM purge to advConfig
Add the new AAM purge description in the Advanced Configuration section.
* Add sysinfo.json Mesh_Gateway
Add new mesh_gateway info to the description of sysinfo.json.
Steve AB7PA