add abstract to blog posts

content/u/blog/how-to-sneak-in-a-static-cms/contents.lr

@@ -4,6 +4,14 @@ pub_date: 2019-09-24
 ---
 author: Nico Schottelius
 ---
+twitter_handle: NicoSchottelius
+---
+abstract:
+Let's see how easy it is [to sneak in a static
+CMS](https://ungleich.ch/en-us/cms/blog/2019/09/24/sneaking-in-a-static-cms/)
+into an existing
+dynamic CMS.
+---
 body:
 
 ## Introduction

models/blog-post.ini

@@ -27,3 +27,7 @@ width = 1/4
 [fields.body]
 label = Body
 type = markdown
+
+[fields.abstract]
+label = Abstract
+type = markdown

templates/macros/blog.html

@@ -15,6 +15,6 @@
     {% endif %}
     on {{ post.pub_date }}
   </p>
-  {{ post.body }}
+  {{ post.abstract }}
   </div>
 {% endmacro %}