Add standard main entry point (#1)

- Add standard main entry point (8ad2905cfe7d71bdded6fbf302b293ea02327d35)

red_light_green_light/main.py

@@ -192,3 +192,11 @@ class RedLightGreenLightApp(ReachyMiniApp):
         while not stop_event.is_set():
             sequence()
             scan()
+
+if __name__ == "__main__":
+    app = RedLightGreenLightApp()
+    try:
+        app.wrapped_run()
+    except KeyboardInterrupt:
+        app.stop()
+