* Added tokens.
* Apply color to MaterialTheme, also add typography.
* Map colors to the right ones in the themes.
* Create and improve previews of some components
* More preview improvements
* Add `tertiary` and `onTertiary` colors, remove some unused ones.
* Fix usage of deleted color token
* Fix bug in Switch previews
* Create a separate `:libraries:theme` module to keep everything related to colors, typography and Compound in general.
* Fix `DatePickerPreview`
* Add missing Compound generated files by fixing their package name
* Move `ElementTheme` to the `:libraries:theme` module, make some variables internal.
---------
Co-authored-by: ElementBot <benoitm+elementbot@element.io>
