Courses

TeachMePlayerAPI Course Functions
`TeachMePlayerAPI.getOverallCompletion()`	Returns overall completion percentage rate of all courses available.
`TeachMePlayerAPI.getCourses()`	Returns an object of Course Objects, with courseID as the key.
`TeachMePlayerAPI.getCoursesWithQuiz()`	Returns an object of Course Objects that have a Quiz attached with courseID as the key.
`TeachMePlayerAPI.toggleCourse(courseId):`	Open the TeachMe Player to a specific course.
`TeachMePlayerAPI.getCourseProgress(courseId)`	Returns completion percentage rate of all of a specific course.

// Example Courses Object
{
  1121269: {
    Children: [{...}], // WalkThrus, Resources, etc
    CompletionPercentage: 100,
    Id: 1121269,
    Name: "WalkMe API Course",
    OrderIndex: 0,
    Quiz: {..},
    Settings: {
      enforceOrder: undefined,
      onlyPreviousDone: undefined
    }
}