added youtube channel

Author: 6mile

README.md

@@ -41,4 +41,7 @@ jobs:
 2. [SecureStack Software Composition Analysis (SCA)](https://github.com/marketplace/actions/securestack-application-composition-analysis) - Scan your application for vulnerable third-party and open source libraries.
 3. [SecureStack Web Vulnerability & Cloud Misconfiguration Analysis](https://github.com/marketplace/actions/securestack-web-vulnerability-analysis) - Scan your running application url for cloud misconfigurations and web vulnerabilities.
 
+## Learn more about SecureStack with our YouTube Channel:
+https://www.youtube.com/watch?v=YrPITQNy9UM&list=PL_8Xjyi5rInxzhpQkDRipipmaj0lT6pJ8 
+
 Made with 💜  by [SecureStack](https://securestack.com)