Implement Email-Based Login with Token Authentication and Active User Check

[OzgurSavascioglu]

🔍 Issue Description:

• This issue is created to implement the /api/login/ endpoint that allows users to authenticate using their email and password. The endpoint also validates that the user account is active before issuing an authentication token.

📌 Subtasks:

• Created LoginSerializer for handling email/password authentication
• Created /api/login/ view using APIView
• Integrated token generation using Django REST Framework's TokenAuthentication
• Documented endpoint usage for frontend team
• Manually tested login with valid, invalid, and inactive user scenarios

📌 Expected effort:

• 3 hours

📌 Deadline:

• 02-05-2025

📌 Reviewers:

• @celilozknn
• @cemsarpkaya

📌 Reviewer Deadline:

• 03-05-2025

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