fix status codes on RateLimiter deny and error

Author: rohitkg98

website/content/middleware/rate-limiter.md

@@ -33,10 +33,10 @@ config := middleware.RateLimiterConfig{
         return id, nil
     },
     ErrorHandler: func(context echo.Context, err error) error {
-        return context.JSON(http.StatusTooManyRequests, nil)
+        return context.JSON(http.StatusForbidden, nil)
     },
     DenyHandler: func(context echo.Context, identifier string,err error) error {
-        return context.JSON(http.StatusForbidden, nil)
+        return context.JSON(http.StatusTooManyRequests, nil)
     },
 }