Added new contribution

Author: ch00ooch00oo

content/videos/challenges/179-wolfram-ca/showcase/contribution-1771609871.json

@@ -0,0 +1,9 @@
+{
+  "title": "black hole",
+  "author": {
+    "name": "Zheng"
+  },
+  "url": "https://editor.p5js.org/yuanzheng908/sketches/rDHJnkwmT",
+  "submittedOn": "2026-02-20T17:51:11.985Z",
+  "socialPermission": false
+}