Add missing docs

Author: gnachman

shell_integration/install_shell_integration_and_utilities.sh

@@ -146,6 +146,8 @@ echo "it2api"
 echo "  Command-line utility to manipulate iTerm2."
 echo "it2attention start|stop|fireworks"
 echo "  Gets your attention."
+echo "ite2cat filename"
+echo "  Prints a file and renders it natively"
 echo "it2check"
 echo "  Checks if the terminal is iTerm2."
 echo "it2copy [filename]"