Add a comment form

Author: phil-opp

content/this-month/2020-12/index.md

@@ -15,7 +15,7 @@ Welcome to a new issue of _"This Month in Rust OSDev"_. In these posts, we will
 
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-This series is openly developed [on GitHub](https://github.com/rust-osdev/homepage/). Feel free to open pull requests there with content you would like to see in the next issue. If you find some issues on this page, please report them by [creating an issue](https://github.com/rust-osdev/homepage/issues/new).
+This series is openly developed [on GitHub](https://github.com/rust-osdev/homepage/). Feel free to open pull requests there with content you would like to see in the next issue. If you find some issues on this page, please report them by [creating an issue](https://github.com/rust-osdev/homepage/issues/new) or using our new [_comment form_](#comment-form) at the bottom of this page.
 
 <!--
     This is a draft for the upcoming "This Month in Rust OSDev (December 2020)" post.

templates/page.html

@@ -20,6 +20,16 @@ <h1>{{ page.title }}</h1>
     </span>
 
     {{ page.content | safe }}
+
+    <h2 id="comment-form">Comments</h2>
+
+    <script src="https://utteranc.es/client.js"
+        repo="rust-osdev/homepage"
+        issue-term="url"
+        theme="github-light"
+        crossorigin="anonymous"
+        async>
+    </script>
 {% endblock main %}
 
 {% block after_main %}