将 tool 合并到 infra 模块

yudao-ui-admin/src/views/infra/build/App.vue

@@ -0,0 +1,22 @@
+<template>
+  <div>
+    <router-view />
+  </div>
+</template>
+
+<script>
+export default {
+  mounted() {
+    // 取消开始的loading动画
+    const preLoader = document.querySelector('#pre-loader')
+    preLoader.style.display = 'none'
+
+    // fix: firefox 下 拖拽 会新打卡一个选项卡
+    // https://github.com/JakHuang/form-generator/issues/15
+    document.body.ondrop = event => {
+      event.preventDefault()
+      event.stopPropagation()
+    }
+  }
+}
+</script>