#167165004 view and add read stats

[OvieMudi]

What does this PR do?

• adds an endpoint for marking a novel as read
• add an endpoint for viewing read stats

Description of Task to be completed?

• Ensure the following endpoints are working

PATCH /api/v1/novels/<slug>/markread
GET /api/v1/profiles/readstats

How should this be manually tested?

To test manually on your local computer:

• run the following commands.

# Clone this repository
$ git clone https://github.com/andela/dahlia-ah-backend.git

# Navigate to the application folder
$ cd dahlia-ah-backend

# Checkout the branch
$ git checkout feature/167165004/view-reading-stats
# Install dependencies
$ npm install

# Start the app in development mode
$ npm run dev:start

• check the .env.example file on the environmental variables to provide
• on Postman make an authorized request to the endpoints above

Note: See the screenshot below on how the request/response should look

Any background context you want to provide?

N/A

What are the relevant pivotal tracker stories?

#167165004

Screenshots

API Flowchart