Fix URL in README for Valido website

Author: abhishekrai43

README.md

@@ -4,7 +4,7 @@ Read the review: https://www.softpedia.com/get/Office-tools/PDF/Valido.shtml
 
 Valido — PDF automation tool (website)
 
-This repository contains the static website for Valido (https://valido-app.github.io/).
+This repository contains the static website for Valido ((https://valido.site).
 
 
 License & contact