Merge branch 'master' of gitlab.bucknell.edu:amm042/labtool

README.md

@@ -64,6 +64,8 @@ $ lt userconfig set gradebackend --value mongodb
 $ lt userconfig set gradedb_pass --value "..."
 ```
 
+Video walkthrough of menu and grading --> https://youtu.be/2qgF9dYAQL8.
+
 ## TA Password generation
 
 Any user with the role *dbOwner* can use the DB command (typically instructors). This includes the ability to add new database users. All TAs will need a mongodb login with the role *readWrite*.