Add `drf-spectacular` to the project

[pamella]

Description

Add drf-spectacular to the project

Motivation and Context

We will use the DRF-Spectacular tool to generate an OpenAPI schema from our Django Rest Framework API. The OpenAPI schema serves as the backbone for generating client code, creating comprehensive API documentation, and more.

Screenshots (if appropriate):

Screencast from 09-05-2024 10:33:50.webm

Steps to reproduce (if appropriate):

• The project should be running properly.
• The API documentation pages should be working properly.

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [X] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [X] My code follows the code style of this project.
• [X] My change requires documentation updates.
• [X] I have updated the documentation accordingly.
• [X] My change requires dependencies updates.
• [X] I have updated the dependencies accordingly.