chore: import upstream snapshot with attribution

docs/video-walkthrough.mdx

@@ -0,0 +1,23 @@
+---
+title: "Video walkthrough"
+description: "Go from zero to a working task in your Next.js app in 10 minutes."
+---
+
+{" "}
+<iframe
+  width="100%"
+  height="315"
+  src="https://www.youtube.com/embed/YH_4c0K7fGM?si=5JzZmZseuqI5aciM"
+  title="Trigger.dev walkthrough"
+  allow="accelerometer; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
+  referrerPolicy="strict-origin-when-cross-origin"
+  allowFullScreen
+/>
+
+### In this video we cover the following topics:
+
+- [0:00](https://youtu.be/YH_4c0K7fGM?si=J8svVzotZtyTXDap&t=0) – [Install Trigger.dev](/quick-start) in an existing Next.js project
+- [1:44](https://youtu.be/YH_4c0K7fGM?si=J8svVzotZtyTXDap&t=104) – [Run and test](/run-tests) the "Hello, world!" example project
+- [2:09](https://youtu.be/YH_4c0K7fGM?si=FMTP8ep_cDBCU0_x&t=128) – Create and run an AI image generation task that uses [Fal.ai](https://fal.ai) – ([View the code](/guides/examples/fal-ai-image-to-cartoon))
+- [6:25](https://youtu.be/YH_4c0K7fGM?si=pPc8iLI2Y9FGD3yo&t=385) – Create and run a [Realtime](/realtime/overview) example using [React hooks](/realtime/react-hooks) – ([View the code](/guides/examples/fal-ai-realtime))
+- [11:10](https://youtu.be/YH_4c0K7fGM?si=Mjd0EvvNsNlVouvY&t=670) – [Deploy your task](/cli-deploy-commands) to the Trigger.dev Cloud