doc: change readme

Author: Alessandro Sangalli

README.md

@@ -7,6 +7,7 @@ Mob VSCode GUI is a wrapper of https://mob.sh/.
 - Use Mob Start to create or enter in the mob temporary branch (you turn).
 - Use Mob Next to handover to the next person.
 - Use Mob Done to commit your mob session work.
+- Use Mob Reset to delete your local and remote WIP branch.
 
 After Mob Done, do git commit -m "YOUR MESSAGE" and git push.