- New GUI layout
   - `dashboard.json` will keep gui related stuff, like extra flow parameters
     - `use_chat` default `true`
     - `use_switch` default `false`
     - `tasmota_switch_url` network address of sonoff switch
     - Added Sonoff basic tasmota switch for amp
     - This flow is disabled by default
   - On air timer
   - ffmpeg path variable