fix template typo, add nvidia_gpu

copier.yml

@@ -22,10 +22,19 @@ LANGUAGES:
         - Python
         - CPP
 
-RUN_COMMAND: ros2 run {{ PACKAGE_NAME }} {{ "my_python_node.py" if 'Python' in LANGUAGES else "my_node" if "CPP" in LANGUAGES else "yourcommandGoes here" }}
+RUN_COMMAND: ros2 run {{ PACKAGE_NAME }} {{ "my_python_node" if 'Python' in LANGUAGES else "my_node" if "CPP" in LANGUAGES else "yourcommandGoes here" }}
+
+ENABLE_NVIDIA_GPU:
+  default: False
+  type: bool
+  help: |
+    ENABLE_NVIDIA_GPU
+    Enabling nvidia gpus make deployment much more complicated.
+    Ensure you have the nvidia container toolkit installed and
+     working properly.
 
 HEALTHCHECK:
-  defualt: HEALTHCHECK --start-period=60s --start-interval=1s CMD /ros_entrypoint.sh ros2 topic list
+  default: HEALTHCHECK --start-period=60s --start-interval=1s CMD /ros_entrypoint.sh ros2 topic list
   type: str
   help: |
     Set a health check.