added demo section

Author: Athlon1600

README.md

@@ -17,6 +17,10 @@ That is a known limitation of web proxies. For such sites, you should use an act
 
 https://www.proxynova.com/proxy-software/
 
+## :star: Demo
+
+See a working demo of this web application here:
+- https://unblockvideos.com/
 
 ## 🐋 Deploy using Docker