Merge pull request #1100 from CodingTrain/showcase-marcus-graf-1685825778

Showcase Submission for 145-ray-casting-2d

Author: shiffman

content/videos/challenges/145-ray-casting-2d/showcase/contribution-1685825778.json

@@ -0,0 +1,10 @@
+{
+  "title": "Ray Marching Visuals",
+  "author": {
+    "name": "Marcus Graf",
+    "url": "http://www.marcusgraf.com",
+    "instagram": "https://www.instagram.com/marcus_p_graf/"
+  },
+  "url": "https://www.youtube.com/watch?v=Ruspsz6aa00",
+  "submittedOn": "2023-06-03T20:56:18.357Z"
+}