Rails API with React - Book Store Assignment

You should create a simple library website, where you can add authors who can add their books which (OPTIONAL) could have ratings

THE FIELDS BELLOW ARE MANDATORY

You SHOULD have an API only service
You SHOULD have full CRUD functionality
You SHOULD have relevant models with validations and associations
You SHOULD have serializers
You SHOULD have appropriate code style and follow rails conventions THE FIELDS BELLOW ARE OPTIONAL
You CAN have model callbacks for extra validation, logic, and/or scopes to retrieve relevant data for filtering (like ordered by their rating) instead of modifying the fetched data on the front end. (Bonus)
You CAN have authentiaction - Both in-house built or Devise (Big Bonus)

THE FIELDS BELLOW ARE MANDATORY

You SHOULD fetch data from the API only Back End
You SHOULD have a loading bar/screen whatever, to appear while the date is still being fetched asyncly
You SHOULD have a general theme and pass it to the components that use it via Context API
You SHOULD have a searchable list component that will show book data including author and (if applicable) rating
You SHOULD have appropriate code style and follow react conventions(modular, reusable code) THE FIELDS BELLOW ARE OPTIONAL
You CAN have the fetched data stored in Context and pass it to the children components (Big Bonus)
You CAN have multiple pages using React Router (Bonus)

Submitting The Assignment