add run_client script to start client

run_client.py

@@ -0,0 +1,7 @@
+from whisper_live.client import TranscriptionClient
+
+if __name__ == "__main__":
+    client = TranscriptionClient(
+        "0.0.0.0", "6006", is_multilingual=False, lang="en", translate=False
+    )
+    client()   # uses microphone audio