address the review comments (#149)

Signed-off-by: tiaoyuw <[email protected]>

Author: travis1111

docs/_layouts/docs.html

@@ -378,4 +378,17 @@
 </div>
 {% include footer.html %}
 <!-- Main Col END -->
- {% include body-end.html %}
+ {% include body-end.html %}
+ 
+ 
+ <script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/4.2.0/anchor.min.js"></script>
+ <script>
+$(document).ready(function(){
+	
+    anchors.options.placement = 'left';
+    anchors.add('h1');
+    anchors.add('h2');
+    anchors.add('h3');
+    anchors.add('h4');
+});
+</script>

docs/css/docs.css

@@ -3,6 +3,24 @@
     margin-right: 0;
 }
 
+
+
+:target:before {
+    content: "";
+    display: block;
+    margin-top: -115x;
+    height: 115px;
+    width: 1px;
+}
+
+
+.anchorjs-link {
+  text-decoration: none;
+}
+*:hover > .anchorjs-link {
+	text-decoration: none;
+}
+
 #sidebar-container {
     min-height: 100vh;
     padding: 0;