fix(SW-3691): Setup one prettier config for whole repo
* Setup prettierrc in root and remove other configs
Approved-by: Joakim Jäderberg
Approved-by: Linus Flood
feat(SW-3636): Storybook structure
* New sections in Storybook sidebar
* Group Storybook content files and add token files for spacing, border radius and shadows
Approved-by: Joakim Jäderberg
Switches out all the old icons to new ones, and moves them to the design system. The new icons are of three different types: Materialise Symbol, Nucleo, and Customized. Also adds further mapping between facilities/amenities and icons.
Approved-by: Michael Zetterberg
Approved-by: Erik Tiekstra
