update(examples): move examples into src dir

examples/src/SaveRestore/Controls.vue

@@ -0,0 +1,47 @@
+<script lang="ts" setup>
+import { useZoomPanHelper, FlowExportObject, Node, useVueFlow } from '@braks/vue-flow'
+
+const flowKey = 'example-flow'
+const state = useStorage<FlowExportObject>(flowKey, {
+  nodes: [],
+  edges: [],
+  position: [NaN, NaN],
+  zoom: 1,
+})
+
+const getNodeId = () => `randomnode_${+new Date()}`
+
+const { setTransform } = useZoomPanHelper()
+const { nodes, edges, addNodes, setNodes, setEdges, instance, dimensions } = useVueFlow()
+
+const onSave = () => {
+  state.value = instance.value?.toObject()
+}
+
+const onRestore = () => {
+  const flow: FlowExportObject | null = state.value
+
+  if (flow) {
+    const [x = 0, y = 0] = flow.position
+    setNodes(state.value.nodes)
+    setEdges(state.value.edges)
+    setTransform({ x, y, zoom: flow.zoom || 0 })
+  }
+}
+
+const onAdd = () => {
+  const newNode = {
+    id: `random_node-${getNodeId()}`,
+    label: 'Added node',
+    position: { x: Math.random() * dimensions.value.width, y: Math.random() * dimensions.value.height },
+  } as Node
+  addNodes([newNode])
+}
+</script>
+<template>
+  <div class="save__controls">
+    <button @click="onSave">save</button>
+    <button @click="onRestore">restore</button>
+    <button @click="onAdd">add node</button>
+  </div>
+</template>