construct imprint contact block from more data

_src/_includes/contact.html

@@ -2,6 +2,15 @@
 
 <div class="company">
     <h4 class="company__name">{{ contact.company }}</h4>
+    {% if include.imprint %}
+        <p>{{ contact.registration}}</p>
+        <h5>Represented by</h5>
+        <p>
+            {{ site.data.board[0].position }}: {{ site.data.board[0].name }}<br />
+            {{ site.data.board[1].position }}: {{ site.data.board[1].name }}<br />
+            {{ site.data.board[2].position }}: {{ site.data.board[2].name }}
+        </p>
+    {% endif %}
     <p>
         <a href="mailto:{{ contact.email }}">{{ contact.email }}</a>
     </p>

_src/imprint.md

@@ -6,4 +6,4 @@ title: Imprint
 narrow: true
 ---
 
-{% include contact.html %}
+{% include contact.html imprint="true" %}