add new feature tip on the left menu

Author: huangshuwei

examples/src/comp/app.less

@@ -204,6 +204,15 @@
                     height: 100%;
                     text-decoration: none;
                     color: #000000d9;
+                    .version {
+                        margin: 0;
+                        padding: 2px 6px;
+                        color: #1989fa;
+                        font-weight: 600;
+                        font-size: 11px;
+                        background-color: rgba(25, 137, 250, 0.1);
+                        border-radius: 20px;
+                    }
                 }
 
                 li.no-child:hover a {