Added new contribution (#1857)

Author: ch00ooch00oo

content/videos/processing/showcase/contribution-1747851226.jpg

@@ -0,0 +1,11 @@
+{
+  "title": "Stacked circles",
+  "author": {
+    "name": "Simon Alvarez",
+    "url": "https://www.instagram.com/jsalvarezv/?hl=es",
+    "instagram": "@jsalvarezv"
+  },
+  "url": "https://openprocessing.org/sketch/2654999",
+  "submittedOn": "2025-05-21T18:13:46.771Z",
+  "socialPermission": true
+}