add cli for trainer

BasaltTrainer/main.py

@@ -1,15 +1,17 @@
 from cmd_server import CmdServer, HandshakePayload, PixelKind
 from while_stopper import INSTANCE as STOPPER
+import cli
 import logging
 
-
 def receive_data() -> None:
     logging.info("Data received")
 
 
 def main():
-    server = CmdServer()
+    # parse argument
+    opts = cli.parse()
 
+    server = CmdServer()
     print("Please launch BasaltPresenter now.")
     print("Then press Enter to continue...")
     input()