docs: add teleportable example

docs/components/examples/teleport/TeleportableNode.vue

@@ -0,0 +1,45 @@
+<script setup>
+import { Handle, Position, getConnectedEdges, useVueFlow } from '@braks/vue-flow'
+import { ref } from 'vue'
+
+const props = defineProps({
+  id: {
+    type: String,
+    required: true,
+  },
+})
+
+const { edges, getNode } = useVueFlow()
+
+const teleport = ref(null)
+
+const onClick = () => {
+  /**
+   * specify a selector to teleport to
+   *
+   * teleported elements still behave like they're at their position before,
+   * i.e. if they emit events, they will still emit them up their regular tree
+   */
+  const target = teleport.value ? null : '#port'
+
+  // teleport to target or disable teleport
+  teleport.value = target
+
+  // hide connected edges when teleporting
+  const connectedEdges = getConnectedEdges([getNode.value(props.id)], edges.value)
+
+  console.log(connectedEdges)
+
+  connectedEdges.forEach((edge) => (edge.hidden = !!target))
+}
+</script>
+
+<template>
+  <teleport :disabled="!teleport" :to="teleport">
+    <div class="teleportable" @click.prevent="onClick">
+      <Handle type="target" :position="Position.Top" />
+      Click to teleport
+      <Handle type="source" :position="Position.Bottom" />
+    </div>
+  </teleport>
+</template>