feat(docs): add youtube embeded link to blog post (#7220)

Co-authored-by: Arthur Gamby <[email protected]>

Author: ArthurGamby

content/900-ai/prompts/nextjs.mdx

@@ -15,6 +15,22 @@ Include this prompt in your AI assistant to guide consistent code generation for
 - **Zed**: Use `/file` followed by your prompt's path.  
 - **Windsurf**: Use `@Files` and choose your prompt file from the list.  
 
+## Video Tutorial
+
+Watch this step-by-step walkthrough showing this prompt in action:
+
+<div class="videoWrapper">
+  <iframe
+    width="560"
+    height="315"
+    src="https://www.youtube.com/embed/Aqkc95jtHzM"
+    title="YouTube video player"
+    frameborder="0"
+    allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+    allowfullscreen
+  ></iframe>
+</div>
+
 ## Prompt
 
 ````md