added freecodecamp azure course for exam (#8764)

* updated freecodecamp azure course for exam

* updated freecodecamp azure course for exam

courses/free-courses-en.md

@@ -330,6 +330,7 @@
 
 #### Azure
 
+* [Azure Administrator Certification](https://www.youtube.com/watch?v=10PbGbTUSAg) - freeCodeCamp
 * [Microsoft Azure Fundamentals](https://youtube.com/playlist?list=PLGjZwEtPN7j-Q59JYso3L4_yoCjj2syrM) - Adam Marczak
 * [Microsoft Certified: Azure Fundamentals](https://docs.microsoft.com/en-us/learn/certifications/azure-fundamentals/) - Microsoft