Update README.md

Author: alieldeba

README.md

@@ -55,12 +55,13 @@
 3. ✔️ Making File Supported By All Of Search Engines
 4. ✔️ Making File Compressed
 5. ✔️ Making File Light Weight
-6. Handling Function Errors
-7. Making A Documentation Website
-8. Adding Dark And White Theme In Website
-9. Adding New Functions
-10. Making npm Package For Installation
-11. Making a CDN Importing
+6. ✔️ Testing The Library
+7. Handling Function Errors
+8. Making A Documentation Website
+9. Adding Dark And White Theme In Website
+10. Adding New Functions
+11. Making npm Package For Installation
+12. Making a CDN Importing
 
 # <p align="center">Feel Free To Contribute To This Repositry 🤝</p>