Only load isso script and css on pages that support comments

layouts/blog/single.html

@@ -1,5 +1,13 @@
 {{ partial "header.html" . }}
 
+{{ if .Site.Params.issoHost }}
+  <style type="text/css" media="screen">
+    .isso section {
+      margin: 0px;
+    }
+  </style>
+{{ end }}
+
 <div class="main post non-narrow zero-top-spacing column">
     <div class="container">
         <div class="content">
@@ -73,6 +81,12 @@
             </div>
             {{ if .Site.Params.issoHost }}
             <div class="isso" id="isso-thread"></div>
+            <script
+                data-isso="//{{ .Site.Params.issoHost }}/"
+                data-isso-css="true"
+                data-isso-lang="{{ .Site.LanguageCode }}"
+                src="//{{ .Site.Params.issoHost }}/js/embed.min.js"
+            ></script>
             {{ end }}
         </div>
     </div>