Added new contribution

Author: ch00ooch00oo

content/videos/challenges/180-falling-sand/showcase/contribution-1708853969.json

@@ -0,0 +1,9 @@
+{
+  "title": "Falling Sand on Java",
+  "author": {
+    "name": "7Dev",
+    "url": "https://www.youtube.com/@7Dev."
+  },
+  "url": "https://github.com/JuliGame/SimulacionDeArena",
+  "submittedOn": "2024-02-25T09:39:29.499Z"
+}