This is hosted on https://moodle-course.firebaseapp.com/
The username is to be used instead of email at all locations.
The format for adding new user is:
Step 1 : Admin login.
Step 2 : Fill username, password and "professor" or "student" in the three input fields.
Step 3 : To add more users go to step 1(i.e. login again).
Messages are given as :
Course
message-heading
message-body
Click on courses to enroll in them (they have onclick function associated with them, though they are not buttons)