Added video for Lecture 1.2

Author: cooper-mj

res/lectures.json

@@ -16,7 +16,7 @@
         "date": "2020-01-08",
         "condensed": "https://drive.google.com/open?id=1JUu_bDSA08R1tNdjeJnBGq0GRY4FNc2f",
         "full": "https://drive.google.com/open?id=1UfEtzkUNL1yNqXwnGh-CKSbCYbFlwsfV",
-        "video": "#",
+        "video": "https://drive.google.com/open?id=1W8cziwcq40D8n70Hr716FHoURCXFQ3M9",
         "video_note": "#",
         "visible": true,
         "active": true