Add Softpedia review and rating for Valido

Added a review highlight and link from Softpedia.

Author: abhishekrai43

README.md

@@ -1,3 +1,7 @@
+⭐ Valido was recently reviewed by Softpedia and rated 5/5!  
+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/).