chore: update app headers [skip ci]

Author: github-actions[bot]

tools/headers/dockhand

@@ -0,0 +1,6 @@
+    ____             __   __                    __
+   / __ \____  _____/ /__/ /_  ____ _____  ____/ /
+  / / / / __ \/ ___/ //_/ __ \/ __ `/ __ \/ __  / 
+ / /_/ / /_/ / /__/ ,< / / / / /_/ / / / / /_/ /  
+/_____/\____/\___/_/|_/_/ /_/\__,_/_/ /_/\__,_/   
+