增加首页教学入口

web/src/view/dashboard/index.vue

@@ -57,7 +57,18 @@
         </el-col>
       </div>
     </el-row>
-
+    <el-row>
+      <el-card shadow="hover">
+          <h2>
+            使用教学：<a style="color:#409EFF"  target="view_window" href="https://www.bilibili.com/video/BV1fV411y7dT/">https://www.bilibili.com/video/BV1fV411y7dT/</a>
+          </h2>
+          <br>
+          <h2>
+            工作流教学：<a style="color:#409EFF"  target="view_window" href="https://www.bilibili.com/video/BV1Ka411F7Ji/">https://www.bilibili.com/video/BV1Ka411F7Ji/</a>
+          </h2>
+          <div></div>
+      </el-card>
+    </el-row>
     <div class="shadow">
       <el-row :gutter="20">
         <el-col