Add yaml video link

content/videos.json

@@ -1,4 +1,15 @@
 [
+  {
+    "id": "yaml-in-depth",
+    "title": "YAML in Depth",
+    "description": "Everything you need to know about YAML",
+    "isPro": false,
+    "youtubeLink": "https://www.youtube.com/watch?v=ImHSpwUlNVc",
+    "authorUsername": "kamranahmedse",
+    "duration": "8 minutes",
+    "updatedAt": "2021-10-18T19:59:14.191Z",
+    "createdAt": "2021-10-18T19:59:14.191Z"
+  },
   {
     "id": "floating-point-arithmetic",
     "title": "Floating Point Arithmetic: Why won't the numbers add up?",

content/videos/yaml-in-depth.md

@@ -0,0 +1 @@
+<iframe src="https://www.youtube.com/embed/ImHSpwUlNVc" title="YAML in Depth" />