feat: set Gin to release mode unless debug logging is enabled

- Add conditional Gin.SetMode(gin.ReleaseMode) based on logging level
- Only set release mode when logging level is not 'debug'
- Maintains debug mode when debug logging is enabled for better development experience

Author: d0ugal

internal/server/server.go

@@ -21,6 +21,11 @@ type Server struct {
 }
 
 func New(cfg *config.Config, metricsRegistry *metrics.Registry) *Server {
+	// Set Gin to release mode unless debug logging is enabled
+	if cfg.Logging.Level != "debug" {
+		gin.SetMode(gin.ReleaseMode)
+	}
+	
 	router := gin.New()
 	router.Use(gin.Recovery())