feat: jwt authentication setup

[Guzbyte-tech]

📝 JWT Authentication

🛠️ Issue

• Closes [FEAT]: Set Up JWT Authentication #249

📖 Description

Implements JWT-based authentication flow using Passport strategy in NestJS. This is a benchmark for future authentication implementation.

✅ Changes made

• Installed @nestjs/jwt @nestjs/passport passport passport-jwt
• Installed @types/passport-jwt
• Integrated JwtModule.registerAsync with ConfigService
• Implemented JwtStrategy for validating bearer tokens
• Created JwtAuthGuard to protect authenticated routes
• Create authcontroller to test implementation
• Added test /auth/token route to issue JWTs
• Added test /auth/profile route as a protected endpoint to test guard functionality
• All changes are inside the apps/backend/src/auth

🖼️ Media (screenshots/videos)

Generate Token

Testing Protected Routes

📜 Additional Notes

[derianrddev]

Great job! Thank you very much!