fix: add apps video to blog

content/blogs/release-0-20.md

@@ -53,6 +53,10 @@ Let’s dive into these highlights and other enhancements in more detail.
 
 You can think of Apps as **custom UIs for flows**, allowing your end users to interact with Kestra from anywhere without any technical knowledge. They can resume paused workflows waiting for approval or trigger new workflow executions.
 
+<div class="video-container">
+  <iframe src="https://www.youtube.com/embed/KwBO8mcS3kk?si=VJC5a6YgVECR_bJ3" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
+</div>
+
 ## Team-Level Isolation for Storage and Secrets
 
 Kestra Enterprise has built-in [multitenancy](../docs/06.enterprise/03.tenants.md), providing *virtual* isolation across teams or business units. By default, each tenant uses the same [internal storage](../configuration/index.md#internal-storage) and [secrets backend](./secrets-manager.md) configured in your Kestra instance.