updated grpc client to have a proxy flag, updated coretk script to have a flag to enable proxy, disabled by default

daemon/scripts/coretk-gui

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+import argparse
 import logging
 
 from core.gui import appconfig
@@ -6,10 +7,18 @@ from core.gui.app import Application
 from core.gui.images import Images
 
 if __name__ == "__main__":
+    # parse flags
+    parser = argparse.ArgumentParser(description=f"CORE Python Tk GUI")
+    parser.add_argument("-p", "--proxy", action="store_true", help="enable proxy")
+    args = parser.parse_args()
+
+    # setup logging
     log_format = "%(asctime)s - %(levelname)s - %(module)s:%(funcName)s - %(message)s"
     logging.basicConfig(level=logging.DEBUG, format=log_format)
     logging.getLogger("PIL").setLevel(logging.ERROR)
+
+    # start app
     Images.load_all()
     appconfig.check_directory()
-    app = Application()
+    app = Application(args.proxy)
     app.mainloop()