Added video

Author: charafkamel

README.md

@@ -15,7 +15,7 @@ This repository is the full Milestone 3 submission. Two pieces matter most:
 |---|---|
 | **Live website** | https://challenger-com480.vercel.app |
 | **Process book** | `process_book.pdf` |
-| **Screencast (2 min)** | script in `screencast.md` |
+| **Screencast (2 min)** | https://drive.google.com/drive/folders/1gHq0IOGoLkX5_XWk-w3Ht3pAgGncQrx8?usp=sharing` |
 
 Course: EPFL COM-480 Data Visualization, Milestone 3.