allow cdn.c3voc.de for audio streams

(this is a temporary solution, since it would invoke the dereferrer for
things that aren't allowed, which is silly)

config.json

@@ -7,8 +7,8 @@
   "DontCopyAssets":false,
   "UriSchemas": {
     "https" : {
-      "scope" : ["website"],
-      "allowed" : ["media.ccc.de", "streaming.media.ccc.de", "static.rc3.world"],
+      "scope" : ["website", "audio"],
+      "allowed" : ["media.ccc.de", "streaming.media.ccc.de", "static.rc3.world", "cdn.c3voc.de"],
       "blocked" : ["blocked.com"],
       "prefix" : "https:\/\/rc3.world\/2021\/dereferrer\/"
     },