[SoundcloudBridge] Add RSS enclosures (#952)
[SoundcloudBridge] Add RSS enclosures (#952)

Minimum viable code change to get SoundcloudBridge produce feeds that podcatchers like gPodder can understand.
ORelio/rss-bridge,simonbru/rss-bridge,ORelio/rss-bridge,RSS-Bridge/rss-bridge,Riduidel/rss-bridge,sebsauvage/rss-bridge,kranack/rss-bridge,ORelio/rss-bridge,Frenzie/rss-bridge,kranack/rss-bridge,Frenzie/rss-bridge,simonbru/rss-bridge,RSS-Bridge/rss-bridge,Riduidel/rss-bridge,Riduidel/rss-bridge,kranack/rss-bridge,RSS-Bridge/rss-bridge,kranack/rss-bridge