misc/coverage: Revamp and improve archive coverage widget in homepage
Add new origins types that we now archived.
Update source code provider logos to png only in order to ease the
integration of future ones
Split origins in multiple categories: listed, legacy and deposited.
Add global origins counts per origin type.
Add detailed origins counts for each listed forge, those details are
hidden by default and can be displayed on demand through collapsible
Remove dead code.
Related to T3127