As a teacher
I want to log users' activity
So that I can when H5P activity has been created, updated, deleted or viewed.

Acceptance criteria:

• Log when a H5P activity has been created.
• Log when a H5P activity has been updated.
• Log when a H5P activity has been deleted.
• Log when a H5P activity has been viewed.

List of tasks:

• Create mod_h5p viewed event.
• Create mod_h5p created event.
• Create mod_h5p updated event.
• Create mod_h5p deleted event.