feat(*): subsonic client with avfoundation playback and apple music ui

.swiftformat

@@ -0,0 +1,8 @@
+--swiftversion 6.0
+--exclude build,**/.build
+--maxwidth 140
+--wraparguments before-first
+--wrapcollections before-first
+--self remove
+--commas always
+--disable wrapMultilineStatementBraces