docs: update readme with sessions based on sistent

Signed-off-by: karan-palan <karanpalan007@gmail.com>

Author: Karan-Palan

README.md

@@ -73,6 +73,8 @@ attach sistent to your project:
 > [!NOTE]
 > Avoid using `type any` in your code. Always specify explicit types to ensure type safety and maintainability.
 
+You can also refer to this "<a href="https://www.youtube.com/live/lsw9KA__iu4?si=o8gpZdSHcqO2OKxE">Training: contributing to Sistent</a>" and this <a href="https://www.youtube.com/live/yiXkxbibLUU?si=Dybj5qr0VLhLWEpl">Websites call</a> where experienced contributors have taught how to use sistent in your project or Meshery
+
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