update(examples): move examples into src dir

examples/src/Provider/ProviderExample.vue

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+<script lang="ts" setup>
+import Sidebar from './Sidebar.vue'
+import { VueFlow, Controls, FlowInstance, Elements, ConnectionMode, useVueFlow } from '@braks/vue-flow'
+
+const onLoad = (flowInstance: FlowInstance) => console.log('flow loaded:', flowInstance)
+
+const initialElements: Elements = [
+  { id: '1', type: 'input', label: 'Node 1', position: { x: 250, y: 5 } },
+  { id: '2', label: 'Node 2', position: { x: 100, y: 100 } },
+  { id: '3', label: 'Node 3', position: { x: 400, y: 100 } },
+  { id: '4', label: 'Node 4', position: { x: 400, y: 200 } },
+  { id: 'e1-2', source: '1', target: '2', animated: true },
+  { id: 'e1-3', source: '1', target: '3' },
+]
+
+useVueFlow()
+const elements = ref<Elements>(initialElements)
+</script>
+<template>
+  <div class="providerflow">
+    <Sidebar />
+    <div class="vue-flow-wrapper">
+      <VueFlow v-model="elements" :connection-mode="ConnectionMode.Loose" @pane-ready="onLoad">
+        <Controls />
+      </VueFlow>
+    </div>
+  </div>
+</template>
+<style>
+@import 'provider.css';
+</style>

examples/src/Provider/Sidebar.vue

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+<script lang="ts" setup>
+import { useVueFlow } from '@braks/vue-flow'
+const { nodesSelectionActive, addSelectedNodes, getNodes, transform } = useVueFlow()
+
+const selectAll = () => {
+  addSelectedNodes(getNodes.value)
+  nodesSelectionActive.value = true
+}
+</script>
+<template>
+  <aside>
+    <div class="description">
+      This is an example of how you can access the internal state outside of the Vue VueFlow component.
+    </div>
+    <div class="title">Zoom & pan transform</div>
+    <div class="transform">
+      {{ [transform[0].toFixed(2), transform[1].toFixed(2), transform[2].toFixed(2)] }}
+    </div>
+    <div class="title">Nodes</div>
+    <div v-for="node of getNodes" :key="node.id">
+      Node {{ node.id }} - x: {{ node.position.x.toFixed(2) }}, y: {{ node.position.y.toFixed(2) }}
+    </div>
+
+    <div class="selectall">
+      <button @click="selectAll">select all nodes</button>
+    </div>
+  </aside>
+</template>

examples/src/Provider/provider.css

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+.providerflow {
+  flex-direction: column;
+  display: flex;
+  height: 100%;
+}
+
+.providerflow aside {
+  border-right: 1px solid #eee;
+  padding: 15px 10px;
+  font-size: 12px;
+  background: #fcfcfc;
+}
+
+.providerflow aside .description {
+  margin-bottom: 10px;
+}
+
+.providerflow aside .title {
+  font-weight: 700;
+  margin-bottom: 5px;
+}
+
+.providerflow aside .transform {
+  margin-bottom: 20px;
+}
+
+.providerflow .vue-flow-wrapper {
+  flex-grow: 1;
+  height: 100%;
+}
+
+.providerflow .selectall {
+  margin-top: 10px;
+}
+
+@media screen and (min-width: 768px) {
+  .providerflow {
+    flex-direction: row;
+  }
+
+  .providerflow aside {
+    width: 20%;
+    max-width: 250px;
+  }
+}