User Auth

[leticiadia]

🔐 Implement Authentication Module and Related Features

📦 Package and File Updates:

• Updated project dependencies (package update).
• Removed unused or obsolete files.

🧩 Authentication Module Setup:

• Added AuthModule, AuthService, and AuthController to handle authentication logic.
• Created jwt-secret.ts file to manage JWT secret configuration.

✅ Validations Implemented:

• Added validation to check if a user exists by name.
• Added validation to check if a post exists in findPostBySlug.

🔑 Authentication Methods:

Created the following methods:

• authenticate
• validateUser
• signIn

🌐 Routes Added:

Added routes for:

• Login
• User profile

🛠️ JWT Setup and Security:

Configured AuthModule with:

• JWT strategy
• Token expiration settings
• Implemented JwtStrategy to extract and validate JWT payloads.
• Added JwtAuthGuard extending the default JWT strategy.
• Added AuthGuard to perform JWT verification and inject user data into requests.