Integrate Database for Storing Posts, User Data, and Content

[sufiankhan-dev]

Integrate a database to store user information, posts, and other relevant content for DevUnity.

Requirements:

1. Choose a database (MongoDB, PostgreSQL, etc.) and set up the connection.
2. Create schemas for users, posts, and comments.
3. Implement CRUD operations for posts and user data.
4. Ensure data is stored securely with necessary validations.
5. Consider scalability for handling large amounts of content in the future.