first commit
add test and methods for - new project can be created with a name and this automatically generates and assigns the proj an id
add test and methods to pass test for - new task can be created with a project id, description, and priority number
correction - in TM::Project and TM::Task class, certain attr_reader were not added yet at this point so commented them out
add test and method for - Tasks gest created with uniquely generated id
add comment for let blocks
add test and method for - Project, can add tasks to a tasks array
add test and method for - Project class - can mark a task as complete