Students can see and rate all topics in a lesson

**As a** student
**I want** to see the topics of a lesson in my course
**So that** I can rate my understanding of each topic.

## Technical Requirements
Students should be able to rate their understanding of a topic at four times:
- Before the class
- After the class
- 3 days later
- 1 week later

## Acceptance Criteria
When I login as a student...
- [x] ...and visit `/lesson/:lessonId`, I can see all of the topics in that lesson.
- [x] ... and visit the list of topics in a lesson, I can rate my understanding of each topic at any of the times.
- [x] ...and rate my understanding, I can save my changes.
- [x] ...and see the list of lessons in the dashboard (#132), I can click on a lesson to view the topics in that lesson.
- [x] ...and visit the list of topics in a lesson, I can go back to my dashboard.