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(LOY-311) Create avatar design system component
* feat(LOY-311): Creat & use New Avatar Design System Component
* refactor(LOY-311): replace avatar used in app header with design system component
* fix(LOY-311): use correct space vars
Approved-by: Erik Tiekstra