Resolve "Tag blog posts with projects, target groups, and maybe tags"

Closes #31 (closed)

templates/blog/post.html

@@ -37,6 +37,21 @@
           </div>
         </div>
       </div>
+      <nav class="panel is-light mt-6">
+        <p class="panel-heading">Weitere Posts dazu</p>
+          {% for kind, terms in page.taxonomies %}
+            {% for term in terms %}
+	      {% set taxonomy = get_taxonomy_term(kind=kind, term=term) %}
+	      {% set posts = taxonomy.pages | filter(attribute="date") %}
+	      {% if posts %}
+                <p class="panel-block subtitle is-7">{{ kind | title }}: {{ term }}</p>
+		{% for post in posts | slice(end=5) %}
+		  <a class="panel-block" href="{{ post.permalink }}">{{ post.title}}</a>
+		{% endfor %}
+	      {% endif %}
+            {% endfor %}
+	  {% endfor %}
+      </div>
     </div>
   </div>
 {% endblock %}