adds policy video to ppl page

Author: ZPain8464

content/docs/capabilities/ppl.mdx

@@ -8,6 +8,15 @@ description: Learn how to use Pomerium Policy Language to build context-aware au
 
 # Pomerium Policy Language
 
+<iframe
+  width="100%"
+  height="500"
+  src="https://www.youtube.com/embed/lRpkd20psbk?si=IZj3kIV-t7gbVui5"
+  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>
+
 Pomerium Policy Language (**PPL**) is a [yaml]-based notation for creating easy and flexible authorization policies. This document covers the usage of PPL and provides several example policies.
 
 PPL allows administrators to express authorization policy in a high-level, declarative language that promotes safe, performant, fine-grained controls.