Update index.json

start to update homepage

Author: kfahn22

content/pages/homepage/index.json

@@ -47,14 +47,14 @@
   "passengerShowcase": {
     "title": "Passenger showcase highlights",
     "featured": [
-      "noc/5-autonomous-agents/7-path-following/showcase/contribution-1708678867.json",
-      "challenges/85-the-game-of-life/showcase/contribution-1708266339.json",
-      "challenges/181-image-stippling/showcase/contribution-1708645693.json",
-      "challenges/181-image-stippling/showcase/contribution-1708741408.json",
-      "challenges/1-starfield/showcase/contribution-1707601780.json",
-      "challenges/96-visualizing-digits-of-pi/showcase/contribution-1704069433.json",
-      "challenges/179-wolfram-ca/showcase/contribution-1708445472.json",
-      "challenges/65-binary-tree/showcase/contribution-1707699188.json"
+      "challenges/181-image-stippling/showcase/contribution-1709767594.json",
+      "",
+      "",
+      "",
+      "",
+      "",
+      "",
+      ""
     ],
     "showcaseCta": {
       "text": "Want to see more?",