feat：代码生成预览显示路径

src/views/tool/gen/index.vue

@@ -80,6 +80,7 @@
     <el-dialog :title="preview.title" v-model="preview.open" width="80%" top="5vh" append-to-body>
       <el-tabs v-model="preview.activeName">
         <el-tab-pane v-for="(item, key) in preview.data" :label="item.title" :id="key" :name="key.toString()" :key="key">
+          {{ item.path }}
           <el-link :underline="false" icon="DocumentCopy" @click="onCopy(item.content)" class="btn-copy">复制 </el-link>
           <pre><code class="hljs" v-html="highlightedCode(item.content, item.title)"></code></pre>
         </el-tab-pane>