fix(menu): bad link

Change link order, improve menu hover
refactor(*): new favicon :)
perf(code highlighter): remove Syntax Highlighter

use Gist Embed now :)
refactor(design): new design

Design inspired of SteamDB
fix(routeur): remove backslash in base url
feat(debug): add debug verbosity level
refactor(shop): remove shop

The shop will become workshop, later.
feat(menu): dynamic active menu
docs(credits): thanks for your work ;)