Begin to introduce slider

content/contents.lr

@@ -8,3 +8,16 @@ There is not much here - everything is stored below /u/.
 You should actually not be able to see this page below ungleich.ch. If
 you do, please let us know.
 ---
+slider:
+
+title:
+
+description:
+
+button_text:
+
+button_link:
+
+background_image:
+
+video_mp4:

models/page-2020.ini

@@ -17,3 +17,7 @@ type = markdown
 [fields.image]
 label = Image
 type = url
+
+[fields.slider]
+type = flow
+flow_blocks = slider

templates/blocks/slider.html

@@ -0,0 +1,3 @@
+<div class="text-block text-block-{{ this.class }}">
+  {{ this.text }}
+</div>

templates/layout-2020.html

@@ -99,6 +99,12 @@
         </form>
       </div>
     </nav>
+    {# Priority:
+    If slider given, take slider.
+    If headline1/2/3 given, take the headline.
+    Else default to boxed title + subtitle
+    #}
+
     {% if this.headline1 or this.headline2 or this.headline3 %}
     <div class="jumbotron jumbotron-fluid" style="background-color: {{this.header_background_color}};">
       <div class="container-fluid">