feat(content): add new video on synthetic views in aurelia

Added a tutorial video focusing on Synthetic Views in Aurelia 2, covering best practices and deep insights into this powerful feature.

Author: Vheissu

content/videos.md

@@ -7,6 +7,9 @@ videos:
   - title: "Working with AppTasks in Aurelia 2"
     youtube_id: "gR5pdsYh1uU"
     description: "Learn how to use AppTasks and how they differ from other Aurelia lifecycles."
+  - title: "Mastering Synthetic Views in Aurelia 2: Deep Dive & Best Practices"
+    youtube_id: "vlU1tf1oKPY"
+    description: "Dive deep into Synthetic Views in Aurelia 2, one of the most powerful features in the Aurelia framework. "
 ---
 
 Learn about the fundamentals of Aurelia and how to work with its numerous APIs through our video tutorials.