* Add nightly build features
Add nightly build features for SNR sound control and Basic Setup
screens.
* Add explanation for pitch/volume sliders
* Clarify wording on when LAN AP display appears
Clarify the wording about when the LAN AP display section will appear in
the UI.
* Fix snr-sound image
Fix the snr-sound image.
* Add Other Possible Services section
Add the Other Possible Services section to the doc set.
* Correct typo in image name
* Update screenshots to 3.19.3.0
Update screenshots to 3.19.3.0 version and change text to 3.19.3.0
pre-release
* Update etherpad screenshot
Add build files to gitignore. Change admonition type to attention. Create AREDN Services Guide and Services Overview docs as a work in progress. Update conf.py with new copyright year and release info. Expand index.rst with description of sections, and added Services Guide to toctree.
Added Network Design Guide sections, and edited a few Getting Started Guide areas. Both guidebooks are now part of the single existing AREDN documentation repository.
Steve Lewis KC0EUW