Add utterance.es support (#127)

A lightweight comments widget built on GitHub issues.

exampleSite/config.toml

@@ -44,6 +44,11 @@ posts_navigation = true
 # githubRepo = "githubUsername/repositoryName/tree/master"
 small_banner_logo = false
 
+[params.utteranc]
+enable = true
+repo = "mtn/cocoa-eh-hugo-theme"
+issueTerm = "title"
+
 [params.colors]
 identifier = "#527fc1f"
 identifier_dark = "#1a3152"

layouts/partials/blog_single.html

@@ -91,6 +91,19 @@
             </div>
             {{ end }}
 
+            <!-- utteranc -->
+            {{ if .Site.Params.utteranc.enable }}
+            <div class="post bg-white">
+                <script src="https://utteranc.es/client.js"
+                    repo= "{{ .Site.Params.utteranc.repo }}"
+                    issue-term="{{ .Site.Params.utteranc.issueTerm }}"
+                    theme="{{ default "github-light" .Site.Params.utteranc.theme }}"
+                    crossorigin="anonymous"
+                    async>
+                </script>
+            </div>
+            {{ end }}
+
             {{ if .Site.Params.issoHost }}
             <br>
             <div class="isso" id="isso-thread"></div>