chore: Move examples to different package

packages/examples/src/examples/pie.ts

@@ -0,0 +1,17 @@
+import type { DiagramMetadata } from '../types.js';
+
+export default {
+  id: 'pie',
+  name: 'Pie Chart',
+  description: 'Visualize data as proportional segments of a circle',
+  examples: [
+    {
+      title: 'Basic Pie Chart',
+      code: `pie title Pets adopted by volunteers
+    "Dogs" : 386
+    "Cats" : 85
+    "Rats" : 15`,
+      isDefault: true,
+    },
+  ],
+} satisfies DiagramMetadata;