Enhance cursor rules and add user management functionality

- Updated cursor rules to emphasize the importance of dependency injection and logging practices.
- Introduced a new user management domain, including entities, services, handlers, and validation.
- Implemented user authentication features such as login, registration, and role-based access control.
- Added Redis integration for token management and caching.
- Enhanced API documentation with Swagger for user-related endpoints.
- Updated configuration to support new JWT settings and Redis connection parameters.

pkg/authorization/errors.go

@@ -0,0 +1,23 @@
+package authorization
+
+import "errors"
+
+// Authorization errors
+var (
+	ErrEmptyAccessTokenSecret    = errors.New("access token secret cannot be empty")
+	ErrEmptyRefreshTokenSecret   = errors.New("refresh token secret cannot be empty")
+	ErrInvalidAccessTokenExpiry  = errors.New("access token expiry must be greater than 0")
+	ErrInvalidRefreshTokenExpiry = errors.New("refresh token expiry must be greater than 0")
+	ErrAccessTokenExpiryTooLong  = errors.New("access token expiry cannot be longer than refresh token expiry")
+	ErrEmptyIssuer               = errors.New("JWT issuer cannot be empty")
+	ErrEmptyAudience             = errors.New("JWT audience cannot be empty")
+	ErrInvalidToken              = errors.New("invalid token")
+	ErrTokenExpired              = errors.New("token has expired")
+	ErrTokenBlacklisted          = errors.New("token is blacklisted")
+	ErrInvalidTokenType          = errors.New("invalid token type")
+	ErrInvalidSigningMethod      = errors.New("invalid signing method")
+	ErrInvalidClaims             = errors.New("invalid token claims")
+	ErrTokenValidationFailed     = errors.New("token validation failed")
+	ErrInsufficientPermissions   = errors.New("insufficient permissions")
+	ErrCompanyAccessDenied       = errors.New("access denied to this company")
+)