Attribution (#887)

README.md

@@ -315,6 +315,11 @@ XUI_BIN_FOLDER="bin" XUI_DB_FOLDER="/etc/x-ui" go build main.go
 
 - [alireza0](https://github.com/alireza0/)
 
+# Acknowledgment
+
+- [Iran Hosted Domains](https://github.com/bootmortis/iran-hosted-domains) (License: **MIT**): _A comprehensive list of Iranian domains and services that are hosted within the country._
+- [PersianBlocker](https://github.com/MasterKia/PersianBlocker) (License: **AGPLv3**): _An optimal and extensive list to block ads and trackers on Persian websites._
+
 # Suggestion System
 
 - Ubuntu 20.04+