refactor: change pkg scope to vue-flow

docs/components/examples/basic/App.vue

@@ -1,5 +1,5 @@
 <script setup>
-import { Background, Controls, MiniMap, VueFlow, isNode, useVueFlow } from '@braks/vue-flow'
+import { Background, Controls, MiniMap, VueFlow, isNode, useVueFlow } from '@vue-flow/core'
 import { ref } from 'vue'
 import { initialElements } from './initial-elements.js'
 

docs/components/examples/basic/initial-elements.js

@@ -1,4 +1,4 @@
-import { MarkerType } from '@braks/vue-flow'
+import { MarkerType } from '@vue-flow/core'
 
 /**
  * You can pass elements together as a v-model value