- Add new 'FEATURE_QUICKCREATE' plugin feature that indicates the module can
be created with a single click. It will use its own 'quickcreatename' defined
string as the initial default name.
- Add new 'core_courseformat\external\create_module' web service to create new
modules with the quickcreate featuer in the course page.
- Add a new 'create_module' state action.