Added title to the monocrome or sticker pack icons

boards/templates/boards/post.html

@@ -9,9 +9,9 b''
         <a class="post_id" href="{{ post.get_absolute_url }}">#{{ post.id }}</a>
         {% if is_opening %}
             {% if thread.is_stickerpack %}
-                &#128247;
+                <span title="{% trans "Sticker Pack" %}">&#128247;</span>
             {% elif thread.is_monochrome %}
-                &#9775;
+                <span title="{% trans "Monochrome" %}">&#9775;</span>
             {% endif %}
         {% endif %}
         <span class="title">{{ post.title|escape }}</span>