Cleanup examples and fix VoicesManager types (#332)

Signed-off-by: rany <rany2@riseup.net>

examples/sync_audio_streaming_with_predefined_voice_subtitles.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+
+"""Sync variant of the async .stream() method to
+get audio chunks and feed them to SubMaker to
+generate subtitles"""
+
+import edge_tts
+
+TEXT = "Hello World!"
+VOICE = "en-GB-SoniaNeural"
+OUTPUT_FILE = "test.mp3"
+SRT_FILE = "test.srt"
+
+
+def main() -> None:
+    """Main function"""
+    communicate = edge_tts.Communicate(TEXT, VOICE)
+    submaker = edge_tts.SubMaker()
+    with open(OUTPUT_FILE, "wb") as file:
+        for chunk in communicate.stream_sync():
+            if chunk["type"] == "audio":
+                file.write(chunk["data"])
+            elif chunk["type"] == "WordBoundary":
+                submaker.feed(chunk)
+
+    with open(SRT_FILE, "w", encoding="utf-8") as file:
+        file.write(submaker.get_srt())
+
+
+if __name__ == "__main__":
+    main()