docs: add SeedAndDew

Author: tangjinzhou

site/components/sponsors.vue

@@ -1,13 +1,15 @@
 <template>
-<div class="sponsorsWrap">
-  <span class="sponsorsTitle">{{title}}</span>
-  <ul >
-    <li class="sponsorsItem">
-      <a href="https://tipe.io/?ref=ant-design-vue" target="_blank">
-        <img width="34" src="https://cdn.tipe.io/tipe/tipe-cat-no-text.svg" alt="tipe">
-      </a>
-    </li>
-  </ul>
+<div class='snd-ad'>
+  <div class="sponsorsWrap">
+    <span class="sponsorsTitle">{{title}}</span>
+    <ul >
+      <li class="sponsorsItem">
+        <a href="https://tipe.io/?ref=ant-design-vue" target="_blank">
+          <img width="34" src="https://cdn.tipe.io/tipe/tipe-cat-no-text.svg" alt="tipe">
+        </a>
+      </li>
+    </ul>
+  </div>
 </div>
 </template>
 <script>

site/index.html

@@ -31,6 +31,23 @@
     <div id="app">
         <router-view></router-view>
     </div>
+    <script>
+        var SeedAndDewConfig = {};
+        (function() {
+            SeedAndDewConfig['adClass'] = "snd-ad";
+            /* * * DON'T EDIT BELOW THIS LINE * * */
+            SeedAndDewConfig['projectId'] = '31734ee0-6439-448d-8848-ed99e514f266';
+            SeedAndDewConfig['loadStartTime'] = performance.now();
+            SeedAndDewConfig['apiVersion'] = '2018-05-28'
+            SeedAndDewConfig['sessionId'] = Math.random().toString(36).substring(2, 15);
+            var snd = document.createElement('script');
+            snd.type = 'text/javascript';
+            snd.async = true;
+            snd.src = 'https://www.seedanddew.com/static/embed.min.js';
+            (document.getElementsByTagName('head')[0] ||
+                document.getElementsByTagName('body')[0]).appendChild(snd);
+        })();
+    </script>
 </body>
 
 </html>