Implement comments (#10)

Allow logged users to comment posts. Edition is not allowed via the API since it doesn't support auth yet.

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Co-authored-by: clfreville2 <clement.freville2@etu.uca.fr>
Reviewed-on: https://codefirst.iut.uca.fr/git/clement.freville2/herbarium/pulls/10

templates/post/index.html.twig

@@ -4,16 +4,16 @@
 
 {% block body %}
 {% for post in posts.iterator %}
-    <div class="card" style="width: 42rem; margin: 20px 0 50px 100px;">
+    <div class="card mb-4">
         <div class="card-body">
-            <h5 class="card-title">{{ post.species ? post.species.vernacularName : 'Post' }}</h5>
+            <h5 class="card-title"><a href="{{ path('app_post_show', {id: post.id}) }}">{{ post.species ? post.species.vernacularName : 'Post' }}</a></h5>
             <h6 class="card-subtitle mb-2 text-muted">{{ post.foundDate | date("d/m/Y \\à H \\h") }}</h6>
             <p class="card-subtitle mb-2 text-muted">{{ post.latitude }}, {{ post.longitude }}, {{ post.altitude }}m</p>
             <p class="card-text">{{ post.commentary }}</p>
         </div>
         <div class="card-footer">
             28 ❤️
-            128 💬
+            {{ post.comments.count() }} 💬
         </div>
     </div>
 {% endfor %}