Added new contribution (#1886)

Co-authored-by: BartDeMeyere <[email protected]>

Author: ch00ooch00oo

content/videos/challenges/52-random-walker/showcase/contribution-1755284675.jpg

@@ -0,0 +1,11 @@
+{
+  "title": "randomwalker visualizer",
+  "author": {
+    "name": "BartDeMeyere",
+    "url": "https://github.com/BartDeMeyere",
+    "instagram": "https://www.instagram.com/bart_de_meyere/"
+  },
+  "url": "https://bartdemeyere.github.io/randomwalkers/",
+  "submittedOn": "2025-08-15T19:04:35.556Z",
+  "socialPermission": true
+}