generate LessonManager engine and set up gemfile
set up rspec for LessonManager
create contract model for LessonManager
create lesson and lesson type models in LessonManager
create contracts controller in LessonManager
create LessonManager contract show
set up rspec and dummy in LessonManager
set up database cleaner
set up database_cleaner in dummy
add create contract functionality for LessonManager gem and config flash messages
add 'lesson_manager' gem to dependencies in LessonNotes to make engine mount for specs
inject real location service into controller tests for LessonNotes
write up backlog of to-dos in LessonNotes