* added possibility to scale vertically from bottom to top
* Squeleton of Level app from Recon App
* Working LevelApp
* Tweaking peak and display or RSSI chart
* Moved widgets, prepared audio decode, added working ctcss display and peak hold max rssi val
* Added RSSIGraph
* Updated Level to use RSSIGraph
* Graph as lines instead as bars
* correct CTCSS hiding if not in NFM mode
* added back db value and drawing for it. clamped to [-100,20] db
* added back audio, volume, better placement for buttons, db graph
* Using different icon for Level app, unless someone provide a better one
* fixed CTCSS position
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Co-authored-by: GullCode <gullradriel@hotmail.com>
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