circuitpython files v1.2.0

The circuitpython files that should be copied to the macropad.

Major update!
With this update, the page concept is replaced by a group concept. This makes it possible to use all buttons on the Macropad by designing your own navigation layout. Unfortunately, this also means that you will have to adjust your configuration in the WebUI again.

What's Changed

• Update to group concept by @mchilli in #9

Full Changelog: v1.1.3...v1.2.0