Added new contribution

Author: scorixear

content/videos/challenges/180-falling-sand/showcase/contribution-1706174301.json

@@ -0,0 +1,9 @@
+{
+  "title": "Falling Sand in Plain HTML and JS",
+  "author": {
+    "name": "Paul Keller",
+    "url": "https://github.com/scorixear/"
+  },
+  "url": "https://github.com/scorixear/fallingsand",
+  "submittedOn": "2024-01-25T09:18:21.686Z"
+}