Add daily email form to the home page

source/_includes/daily-email-form.html.twig

@@ -1,5 +1,10 @@
 <script src="https://f.convertkit.com/ckjs/ck.5.js"></script>
 
+<div>
+  {% if title %}
+    <h2 class="font-bold text-xl">{{ title }}</h2>
+  {% endif %}
+
   <form
     class="mx-auto mt-8 max-w-md"
     action="https://app.convertkit.com/forms/3546728/subscriptions"
@@ -634,3 +639,4 @@
       </div>
     </div>
   </form>
+</div>

source/_pages/index.md

@@ -29,6 +29,11 @@ Here are all of my [products and services][pricing]. If you still can't find wha
     title: 'Kind words from clients, subscribers, and past colleagues',
   } %}
 
+  {% include 'daily-email-form.html.twig' with {
+    title: 'Register for daily software development emails',
+    intro: 'Sign up and get daily emails about Drupal, PHP and software development.',
+  } %}
+
   {% include 'about-me.html.twig' %}
 {% endblock %}