Create departing_employee.py (#236)

Author: annie-payseur

src/code42cli/cmds/departing_employee.py

@@ -38,7 +38,7 @@ def _get_filter_choices():
 @click.group(cls=OrderedGroup)
 @sdk_options(hidden=True)
 def departing_employee(state):
-    """For adding and removing employees from the Departing Employees detection list."""
+    """Add and remove employees from the Departing Employees detection list."""
     pass