Ajout description groupe + css

src/Muzich/HomeBundle/Resources/views/Show/showGroup.html.twig

   </div>
     
   <h2>{{ group.name }}</h2>
+  
+  <p class="group_description">
+    {{ group.description }}
+  </p>
 
   {% include "MuzichCoreBundle:Tag:tagsList.show.html.twig" with {
     'object_id'   : group.id,

web/bundles/muzichcore/css/main.css

 }
 #container h2
 {
-  margin-top: 5px;
+  margin-top: 0px;
   margin-bottom: 5px;
   font-size: 1.7em;
   

web/bundles/muzichhome/css/home.css

 div.tags_prompt
 {
   margin-top: 5px;
+}
+
+p.group_description
+{
+  font-size: 90%;
+  text-indent: 15px;
 }