replace {{ post.title }} with {{ post.city }}

Author: davidchambers

_posts/2016-08-15-Auckland.md

@@ -1,6 +1,7 @@
 ---
-layout: post
-title:  "Event in Auckland"
-date:   2016-08-15 11:37:37 +0200
+layout:         post
+country:        New Zealand
+city:           Auckland
+date:           2016-08-15 11:37:37 +0200
 ---
 Hello!

_posts/2016-09-15-Berlin.md

@@ -1,7 +1,8 @@
 ---
-layout: post
-title:  "Berlin, Germany"
-date:   2017-09-16 11:37:37 +0200
+layout:         post
+country:        Germany
+city:           Berlin
+date:           2017-09-16 11:37:37 +0200
 workshop_dates: 16–17 September 2017
 ---
 Hello!

index.html

@@ -29,7 +29,7 @@ <h2>
         <li>
           <div class="background-image city" style="background-image: url({{ post.city_image_url }})"></div>
           <div class="background-image organizer" style="background-image: url({{ post.organizer_image_url }})"></div>
-          <h3><a class="post-link" href="{{ post.url }}">{{ post.title }}</a></h3>
+          <h3><a class="post-link" href="{{ post.url }}">{{ post.city }}</a></h3>
           <p>{{ post.workshop_dates }}</li>
         </li>
       {% endfor %}