update(docs): Add all examples

docs/components/SaveControls.vue

@@ -0,0 +1,60 @@
+<script lang="ts" setup>
+import localforage from 'localforage'
+import { useZoomPanHelper, FlowInstance, FlowExportObject, Node } from '@braks/vue-flow'
+
+localforage.config({
+  name: 'vue-flow',
+  storeName: 'flows',
+})
+
+const flowKey = 'example-flow'
+
+const getNodeId = () => `randomnode_${+new Date()}`
+
+const { transform } = useZoomPanHelper()
+
+type ControlsProps = {
+  flowInstance?: FlowInstance
+}
+
+const props = defineProps<ControlsProps>()
+const emit = defineEmits(['restore', 'add'])
+
+const onSave = () => {
+  if (props.flowInstance) {
+    const flow = props.flowInstance.toObject()
+    localforage.setItem(flowKey, flow)
+  }
+}
+
+const onRestore = () => {
+  const restoreFlow = async () => {
+    const flow: FlowExportObject | null = await localforage.getItem(flowKey)
+
+    console.log(flow)
+    if (flow) {
+      const [x = 0, y = 0] = flow.position
+      emit('restore', flow.elements ?? [])
+      transform({ x, y, zoom: flow.zoom || 0 })
+    }
+  }
+
+  restoreFlow()
+}
+
+const onAdd = () => {
+  const newNode = {
+    id: `random_node-${getNodeId()}`,
+    data: { label: 'Added node' },
+    position: { x: Math.random() * window.innerWidth - 100, y: Math.random() * window.innerHeight },
+  } as Node
+  emit('add', newNode)
+}
+</script>
+<template>
+  <div class="save__controls">
+    <button class="button" @click="onSave">save</button>
+    <button class="button" @click="onRestore">restore</button>
+    <button class="button" @click="onAdd">add node</button>
+  </div>
+</template>