Updated demo length to be exactly 3 minutes (#1250)

* add: readme with description of demo

* Update Readme.md

* Update Readme.md

* Update Readme.md

* Update with new video length

The video's length has been changed from 3:09 minutes to 3:0 minutes

Co-authored-by: Deepika Tiwari <deepikatiwari92@gmail.com>

contributions/demo/damne-fwallb/Readme.md

@@ -19,5 +19,4 @@ The demo shows
 [demo-badge-setup](https://github.com/damnePers/demo-coverage-setup/blob/main/README.md)
 
 ### Link to YouTube video
-[How to add code coverage badge + report using codecov and clover](https://www.youtube.com/watch?v=X3kEkXOSUrM)
-
+[How to add code coverage badge + report using codecov and clover](https://www.youtube.com/watch?v=i-0lTgYovg8&ab_channel=SaraDamne)