chore(docs): remove empty example

docs/examples/empty/App.vue

@@ -1,33 +0,0 @@
-<script setup>
-import { Panel, VueFlow, useVueFlow } from '@vue-flow/core'
-import { Background, BackgroundVariant } from '@vue-flow/background'
-import { MiniMap } from '@vue-flow/minimap'
-
-const { nodes, addNodes, addEdges, onConnect, dimensions } = useVueFlow()
-
-onConnect((params) => addEdges(params))
-
-function addRandomNode() {
-  const nodeId = (nodes.value.length + 1).toString()
-
-  const newNode = {
-    id: nodeId,
-    label: `Node: ${nodeId}`,
-    position: { x: Math.random() * dimensions.value.width, y: Math.random() * dimensions.value.height },
-  }
-
-  addNodes([newNode])
-}
-</script>
-
-<template>
-  <VueFlow>
-    <MiniMap />
-
-    <Background :variant="BackgroundVariant.Lines" />
-
-    <Panel position="top-right">
-      <button type="button" @click="addRandomNode">add node</button>
-    </Panel>
-  </VueFlow>
-</template>

docs/examples/empty/index.ts

@@ -1 +0,0 @@
-export { default as EmptyApp } from './App.vue?raw'

docs/examples/index.ts

@@ -9,7 +9,6 @@ import { UpdateNodeApp, UpdateNodeCSS } from './update-node'
 import { ValidationApp, ValidationCSS, ValidationCustomInput, ValidationCustomNode } from './validation'
 import { SaveRestoreApp, SaveRestoreCSS, SaveRestoreControls } from './save-restore'
 import { DndApp, DndBackground, DndCSS, DndScript, DndSidebar } from './dnd'
-import { EmptyApp } from './empty'
 import { HiddenApp } from './hidden'
 import { InteractionApp, InteractionCSS, InteractionControls } from './interaction'
 import { MultiApp, MultiCSS, MultiFlow } from './multi'
@@ -79,9 +78,6 @@ export const exampleImports = {
     'style.css': DndCSS,
     'useDnD.js': DndScript,
   },
-  empty: {
-    'App.vue': EmptyApp,
-  },
   hidden: {
     'App.vue': HiddenApp,
   },

docs/src/.vitepress/config.mts

@@ -200,7 +200,6 @@ export default defineConfigWithTheme<DefaultTheme.Config>({
             { text: 'Basic', link: '/examples/' },
             { text: 'Save & Restore', link: '/examples/save' },
             { text: 'Drag & Drop', link: '/examples/dnd' },
-            { text: 'Empty Flow', link: '/examples/empty' },
             { text: 'Hide/Show', link: '/examples/hidden' },
             { text: 'Horizontal Flow', link: '/examples/horizontal' },
             { text: 'Interactions', link: '/examples/interaction' },