Update to edge-tts 4.0.0

src/edge_playback/__main__.py

@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+
+"""
+This is the main file for the edge_playback package.
+"""
+
+from edge_playback.__init__ import main
+
+if __name__ == "__main__":
+    main()