* linux: add hearing aid
it's just a simple python script, with a toggle in the main app. i dont want to mess with the main app because it uses ATT instead of the AACP protocol which is implemented in the app.
* linux: implement adding hearing aid test results
* docs: add linux screenshot
* docs: add linux hearing aid script
* linux: add reset button for hearing aid adjustments
* linux: remove MAC address logging for security