feat: Remark42评论支持显示文章评论数

layout/includes/third-party/card-post-count/remark42.pug

@@ -0,0 +1,21 @@
+- const { host, siteId, language, option } = theme.remark42
+
+script.
+    let nowTheme = document.documentElement.getAttribute('data-theme') === 'dark' ? 'dark' : 'light'
+    var remark_config = Object.assign({
+        host: '!{host}',
+        site_id: '!{siteId}',
+        components: ['counter']
+    },!{JSON.stringify(option)})
+
+script.
+    function loadRemark42(){
+        !function(e,r){
+            for(var o=r.head||r.body,n=0;n<e.length;n++){
+                var t=r.createElement("script"),m="noModule"in t,c=m?".mjs":".js";
+                m&&(t.type="module"),t.async=!0,t.defer=!0,t.src=remark_config.host+"/web/"+e[n]+c,o.appendChild(t)
+            }
+        }(remark_config.components||["embed"],document)
+    }
+
+    window.pjax ? loadRemark42() : window.addEventListener('load', loadRemark42)