add COLCON_IGNORE

KeisukeShima · KeisukeShima · commit 5423fe33d9a7 · 2021-02-22T16:48:18.000+09:00
diff --git a/ROS2.gitignore b/ROS2.gitignore
@@ -24,5 +24,6 @@ qtcreator-*
 # Emacs
 .#*
 
-# Ament custom files
+# Colcon custom files
+COLCON_IGNORE
 AMENT_IGNORE
