chore: removes demo scene from documentation and instead refers to CodeSandbox example

docs/pages/docs/api/initialScene.mdx

@@ -112,102 +112,7 @@ id?: string;
 ```
 
 ## `initialScene` example
-Open this example in [CodeSandbox](https://codesandbox.io/p/sandbox/github/markmanx/isoflow/tree/main).
-
-```js
-{
-  icons: [
-    {
-      id: 'server',
-      name: 'Server',
-      url: 'https://isoflow-public.s3.eu-west-2.amazonaws.com/isopacks/isoflow/server.svg',
-      isIsometric: true
-    },
-    {
-      id: 'storage',
-      name: 'Storage',
-      url: 'https://isoflow-public.s3.eu-west-2.amazonaws.com/isopacks/isoflow/storage.svg',
-      isIsometric: true
-    },
-    {
-      id: 'laptop',
-      name: 'Laptop',
-      url: 'https://isoflow-public.s3.eu-west-2.amazonaws.com/isopacks/isoflow/laptop.svg',
-      isIsometric: true
-    }
-  ],
-  nodes: [
-    {
-      id: 'database',
-      icon: 'storage',
-      label: 'Database',
-      tile: {
-        x: 2,
-        y: -2
-      }
-    },
-    {
-      id: 'server',
-      icon: 'server',
-      label: 'Server',
-      labelHeight: 100,
-      tile: {
-        x: 2,
-        y: 2
-      }
-    },
-    {
-      id: 'client',
-      icon: 'laptop',
-      label: 'Client',
-      labelHeight: 100,
-      tile: {
-        x: -1,
-        y: 0
-      }
-    }
-  ],
-  connectors: [
-    {
-      id: 'connector1',
-      anchors: [{ nodeId: 'server' }, { nodeId: 'database' }]
-    },
-    {
-      id: 'connector2',
-      style: ConnectorStyleEnum.DOTTED,
-      width: 10,
-      anchors: [
-        { nodeId: 'server' },
-        { tile: { x: -1, y: 2 } },
-        { nodeId: 'client' }
-      ]
-    }
-  ],
-  rectangles: [
-    {
-      id: 'rect1',
-      from: {
-        x: 3,
-        y: 3
-      },
-      to: {
-        x: 1,
-        y: -3
-      }
-    }
-  ],
-  textBoxes: [
-    {
-      id: 'text1',
-      tile: {
-        x: 1,
-        y: -4
-      },
-      text: 'Backend'
-    }
-  ]
-}
-```
+A demo scene is hosted here on [CodeSandbox](https://codesandbox.io/p/sandbox/github/markmanx/isoflow/tree/main).
 
 ## Validation
 `initialScene` is validated before Isoflow renders the scene, and an error is thrown if the data is invalid.