Edit group name on group creation (With Ctrl + g) (#715)

* Editor store

* Merge editors

* nit

* Edit on group creation

* nit

src/stores/graphStore.ts

@@ -0,0 +1,11 @@
+import { LGraphNode, LGraphGroup } from '@comfyorg/litegraph'
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+
+export const useTitleEditorStore = defineStore('titleEditor', () => {
+  const titleEditorTarget = ref<LGraphNode | LGraphGroup | null>(null)
+
+  return {
+    titleEditorTarget
+  }
+})