breaking changes: waline 適配 V2

breaking changes: waline 的 visitor 改為 pageview
feat: algolia 搜索增加文章內容顯示和高亮
feat: 搜索內容顯示區域變大

layout/includes/third-party/card-post-count/waline.pug

@@ -5,12 +5,13 @@ script.
         let initData = {
           el: null,
           serverURL: '!{theme.waline.serverURL}',
+          comment: true
         }
-        const waline = new Waline(initData)
+        const waline = Waline.init(initData)
       }
 
       if (typeof Waline === 'function') initWaline() 
-      else getScript('!{url_for(theme.asset.waline)}').then(initWaline)
+      else getScript('!{url_for(theme.asset.waline_js)}').then(initWaline)
     }
 
     window.pjax ? loadWaline() : window.addEventListener('load', loadWaline)