Revise author credit and clean up README

Updated author name in README and removed emoji.

README.md

@@ -380,8 +380,8 @@ This project is open source and available for personal and commercial use.
 
 ##  Developer
 
-Created with  using modern web technologies.
+Created by Dhurgham Alsaadi using modern web technologies.
 
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-**Enjoy chatting! 💬✨**
+**Enjoy chatting!**