Books title visibility in Reviews

[VladaAlek]

As a user, I can see the book's title when review field is open so that I have visual confirmation that I have approached the expected book review

Acceptance Criteria:

• Acceptance Criteria 1: Appropriate text appears in the book review field
• Acceptance Criteria 2: Text contains the title of the book

Tasks:

• [x] Task 1: refactor Review object in apps models.py
• [x] Task 2: test functionality
• [x] Task 3: git push and deploy