Fix get_all_interviewers function name

app.py

@@ -28,9 +28,9 @@ def repo_get_all_employees_from_database():
     
     return employees_list
 
-def get_all_employees() -> str:
+def get_all_interviewers() -> str:
     """
-    A function to get a list of all employees from database. 
+    A function to get a list of all interviewers from database. 
     Returns: 
         str: A list of all employees in json.
     """