Update README.md

Author: OscarValerock

README.md

@@ -36,6 +36,10 @@ https://clockify.me/user/settings
 If you need more info from the API, here is the link to the documentation.
 https://clockify.me/developers-api
 
+## 0. Wallkthrough video. 
+
+[https://github.com/OscarValerock/Clockify-PowerBI/assets/60475729/f9aaacdc-5c4c-4f26-bdea-53c849905f8d](url)
+
 ## 1. Clockify Custom Connector
 
 ![](ReadMeImages/mez.gif)