[UsbekEtRicaBridge] Add new bridge
[UsbekEtRicaBridge] Add new bridge

Adds a new bridge to fetch contents from https://usbeketrica.com/
Feeds are build from cards displayed on the front page

This bridge provides two options:
- limit: Defines how many articles are returned
- fullarticle: Defines whether or not the full article is retured

Requested via #457

LogMANOriginal/rss-bridge,Frenzie/rss-bridge,GregThib/rss-bridge,Riduidel/rss-bridge,Riduidel/rss-bridge,Frenzie/rss-bridge,kranack/rss-bridge,teromene/rss-bridge,Riduidel/rss-bridge,sebsauvage/rss-bridge,kranack/rss-bridge,RSS-Bridge/rss-bridge,ORelio/rss-bridge,simonbru/rss-bridge,mro/rss-bridge,RSS-Bridge/rss-bridge,simonbru/rss-bridge,kranack/rss-bridge,kranack/rss-bridge,LogMANOriginal/rss-bridge,mro/rss-bridge,RSS-Bridge/rss-bridge,teromene/rss-bridge,ORelio/rss-bridge,ORelio/rss-bridge