feat(remotion): WhatsApp Cloud API demo video for Meta app review

15s landscape (1920x1080) split-screen: left shows SquareMCP chat
prompt + animated cURL command + 200 response with wamid; right shows
a rendered WhatsApp phone UI with the message bubble appearing and blue
double-checkmarks. Also adds transparent-background logo PNG for Meta
Tech Provider icon upload.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

videos/remotion-demo/src/Root.tsx

@@ -11,6 +11,7 @@ import {
   SquareMCPTikTokProblem,
   SquareMCPTikTokProof,
 } from "./SquareMCPTikTok";
+import { SquareMCPWhatsApp } from "./SquareMCPWhatsApp";
 
 export const RemotionRoot = () => {
   return (
@@ -87,6 +88,14 @@ export const RemotionRoot = () => {
         width={1920}
         height={1080}
       />
+      <Composition
+        id="SquareMCPWhatsApp"
+        component={SquareMCPWhatsApp}
+        durationInFrames={15 * 30}
+        fps={30}
+        width={1920}
+        height={1080}
+      />
     </>
   );
 };