Difficulty Generator & View Trick Pages

- Added "Any" difficulty (generates all difficulty options).
- Implemented generation based on chosen difficulty.
- Implemented the "View" Trick page which displays the description of a generated/chosen trick and it's video URL (might come back to this one to implement an in-app youtuber player).
- Added a mega "View Trick" page that collects and contains all available tricks that can be generated from. Accessible from the main page and generator page.

Author: LogicLogin