* correct filename in name_badge.py for Tufty
* Update 240x240 round breakout examples to work with PicoGraphics
* Update colourlcd240x240demo.py to work with PicoGraphics
* Fixed rainbow.py for Pico Display and Pico Display 2.0
* Update display examples to work with PicoGraphics
* add new display example 🌈
* adventures in rainbow RAM
* add button example for pico inky pack
* tidy up examples, make names more consistent
* Update Pico Explorer and 160x80 LCD breakout examples
* Accommodate dither
Added code to show a simple example of the on-board A/B/X/Y button press detection and displaying the result on the display, as this feature of the Pico Explorer hardware was not being demonstrated in the initial demo.py example.
* fixed explorer library, added to cmake, and added quick demo
* display status of motors during demo
* increase motor power in demo
Co-authored-by: Jonathan Williamson <jon@pimoroni.com>