Add CubeIcon guestbook entry - Peter

src/data/guestbook.json

@@ -1,4 +1,12 @@
 [
+  {
+    "componentName": "CubeIcon",
+    "contributor": "Peter",
+    "date": "2026-01-31T12:00:00.000Z",
+    "githubUsername": "petersancho",
+    "id": "cube-icon",
+    "message": "coding geometry using text! How cool!"
+  },
   {
     "componentName": "RocketIcon",
     "contributor": "Mobo",

src/icons/CubeIcon.tsx

@@ -0,0 +1,17 @@
+import React from "react";
+import { IconProps } from "../types";
+
+const CubeIcon: React.FC<IconProps> = ({ color = "currentColor", ...props }) => {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      viewBox="0 0 24 24"
+      fill={color}
+      {...props}
+    >
+      <path d="M12 2L3 7v10l9 5 9-5V7l-9-5zm0 2.18L18.09 7 12 10.82 5.91 7 12 4.18zM5 8.77l6 3.46v6.95l-6-3.33V8.77zm8 10.41v-6.95l6-3.46v7.08l-6 3.33z" />
+    </svg>
+  );
+};
+
+export default CubeIcon;

src/icons/index.ts

@@ -15,6 +15,7 @@ import SpiralIcon from './SpiralIcon';
 import FireworksIcon from './FireworksIcon';
 import PaperAirplaneIcon from './PaperAirplaneIcon';
 import RocketIcon from './RocketIcon';
+import CubeIcon from './CubeIcon';
 
 const iconComponents: Record<string, React.FC<any>> = {
   StarIcon,
@@ -32,7 +33,8 @@ const iconComponents: Record<string, React.FC<any>> = {
   SpiralIcon,
   FireworksIcon,
   PaperAirplaneIcon,
-  RocketIcon
+  RocketIcon,
+  CubeIcon
 };
 
 export default iconComponents;