Tutorial mini series for OpenHD 2.2.x EVO

[Consti10]

With how much has changed in evo, here is a list of tutorials we need to either film or write for the upcoming evo release, to make the transition as smooth as possible.

1. Installing OpenHD
   Create a short video (screen record) where we download the Image flasher and flash a OpenHD air and ground unit

2. First boot
   Create a short video (screen record + hardware) where we boot up OpenHD the first time (air and ground) and show QOpenHD
   Talk about wiring
   Talk about the dummy camera
   Talk about supported (and not supported) wifi chips

After this step, the user should have a functioning setup where air streams to ground

3. Connecting Camera and FC
   Configure OpenHD to detect one of the non-mmal camera(s), show how a functioning camera stream looks
   Enable Serial in OpenHD, show how a functioning telemetry stream looks

4. Tuning your link - this probably could be a long one, and should be aimed more at advanced user(s) - show how OpenHD / wifibroadcast behaves when changing the most important parameters, give an example for a link tuned for long range, give an example for a link tuned for medium/short range but high image quality