README - sort lists alphabetically
README - sort lists alphabetically

This makes them easier to scan and check "does rss-bridge support service X I'm interested in?" :)
kranack/rss-bridge,simonbru/rss-bridge,kranack/rss-bridge,simonbru/rss-bridge,GregThib/rss-bridge,teromene/rss-bridge,teromene/rss-bridge,Riduidel/rss-bridge,kranack/rss-bridge,Riduidel/rss-bridge,Frenzie/rss-bridge,kranack/rss-bridge,RSS-Bridge/rss-bridge,Riduidel/rss-bridge,ORelio/rss-bridge,Frenzie/rss-bridge,RSS-Bridge/rss-bridge,ORelio/rss-bridge,sebsauvage/rss-bridge,ORelio/rss-bridge,RSS-Bridge/rss-bridge