Add Note section

Author: melvincwng

README.md

@@ -6,4 +6,7 @@ Educational resources & notes on AWS ☁️
 3. [Developing on AWS](https://github.com/melvincwng/AWS-Developing-On-AWS-Training)
 4. [Architecting on AWS](https://github.com/melvincwng/Architecting-on-AWS-Training)
 
+> [!Note]  
+> If you went for **other** AWS courses and would like to contribute your notes here, please submit a PR and add a link to your GitHub Repository containing the notes (Our admins will review & merge the PR if the content is deemed suitable 😊)
+
 If you found these resources & notes useful, kindly **star** this repository and **share** it with your friends 🌟