for side-by-side comparison

- update cards styling and next buttons
- add links for privacy and legal statements
- avoid making a pile of bars (connection buttons, search entry, navigation pill)

- remove borders
- refine typography
- describe normal and hover state

to match fomantic-ui's pattern :'(

spotted by sporrif

- add description of how should behave the play button and other playback actions
- rename "add to library" with "organize in collections"

- replace the description for "find other pod"
- add external link icons
- add a placeholder for the banner

- show track actions for anonymous users and open login modal
- describe loop and shuffle behavior
- detail settings
- some enhancements

- track actions
- volume slider
- add replay gain to settings

- experiment with queue/lyrics combined button
- add progress bar with slider button
- fix dimensions and placement

and the foundations for selection mode

- more readable selection mode
- make mobile track actions cohesive with desktop

- new page: search results
- new action: add to library
- new action: multiple selection
- removed action: hide from recommandation

- move contact and staff away from table of content
- cover registrations requiring approval
- cover closed registrations
- change treatment of prev/next page

use a more vibrant color for player

- adjust styling of the play button
- adjust text size on library cards

export without library cards
also, add screenshots for review