docs: Update README

Author: tuxuser

README.md

@@ -46,6 +46,5 @@ dotnet run
 
 ## ToDO
 
-- I2C Scanning (only if we can get it stable!)
-- Notify user about new available app version
-- Notify user about new available Pico firmware
+~~ - I2C Scanning (only if we can get it stable!) ~~
+- ...