Add optgroup to separate tags and branches, with nice names

validata_ui/templates/schema_info_macros.html

@@ -11,14 +11,23 @@
 {% if branches or tags %}
 <form class="form-inline my-2">
     <div class="form-group">
-        <label for="git_ref" class="mr-2">Version</label>
+        <label for="git_ref" class="mr-2">Versions</label>
         <select class="form-control" id="version_select" name="git_ref">
-            {% for tag in tags or [] %}
+            {% if tags %}
+            <optgroup label="publiées">
+            {% for tag in tags %}
             <option{% if tag.name == schema_current_version %} selected{% endif %}>{{ tag.name }}</option>
             {% endfor %}
-            {% for branch in branches or [] %}
+            </optgroup>
+            {% endif %}
+
+            {% if branches %}
+            <optgroup label="en cours">
+            {% for branch in branches %}
             <option{% if branch.name == schema_current_version %} selected{% endif %}>{{ branch.name }}</option>
             {% endfor %}
+            </optgroup>
+            {% endif %}
         </select>
     </div>
 </form>