Add short video

Author: mohamed-essam

README.md

@@ -1,5 +1,6 @@
 # NetBird Kubernetes Operator
 For easily provisioning access to Kubernetes resources using NetBird.
+[netbird-ingress-preview.webm](https://github.com/user-attachments/assets/e136c02a-68f9-4cba-93bb-1026030780ef)
 
 ## Description
 
@@ -171,4 +172,4 @@ make test
 ```sh
 kind create cluster # If not already created, you can check with `kind get clusters`
 make test-e2e
-```
+```