wip: integrate with easy admin bundle

templates/admin/field/json.html.twig

@@ -0,0 +1,22 @@
+{% macro render_value(value) %}
+    {% import _self as self %}
+    {% if value is iterable %}
+        <ul class="list-disc list-inside ml-4">
+            {% for key, item in value %}
+                <li>
+                    {% if item is iterable %}
+                        <strong>{{ key }}:</strong>
+                        {{ self.render_value(item) }}
+                    {% else %}
+                        <strong>{{ key }}:</strong> {{ item }}
+                    {% endif %}
+                </li>
+            {% endfor %}
+        </ul>
+    {% else %}
+        {{ value }}
+    {% endif %}
+{% endmacro %}
+                                                                                                                                 
+  {% import _self as self %}                                                                                                     
+  {{ self.render_value(field.value) }}