feat(providers): add nine catalogues and the Radio Browser directory

tests/test_api.py

@@ -82,6 +82,9 @@ Version=2
     assert base.is_playlist("https://x/y.pls?foo=1") is True
     assert base.is_direct_stream("https://ice1.somafm.com/x-128-mp3") is True
     assert base.is_direct_stream("https://x/y.m3u") is False
+    # HLS is the player's job, not ours: mpv reads the playlist itself
+    assert base.is_playlist("https://x/live/index.m3u8") is False
+    assert base.is_direct_stream("https://x/live/index.m3u8") is True
 
 
 def test_parse_songs_and_dates() -> None: