Issue #3035562 by jibran, Roman Dyn, larowlan: Add module overview page using help topics

README.md

-#Dynamic Entity Reference
+# Dynamic Entity Reference
 
-##Overview
+## Overview
 
 [Dynamic Entity Reference](https://www.drupal.org/project/dynamic_entity_reference) provides a field type/widget/formatter combination for Drupal 8 that allows an entity-reference field to reference more than one entity type.
 ![Dynamic Entity Reference](https://www.drupal.org/files/project-images/Screen%20Shot%202014-06-11%20at%208.00.21%20am.png)
 
-##Features
+## Features
 
 Create a single field to hold references to Users and Nodes. Or Terms and Nodes, or all three.
 
-##Requirements
+## Requirements
 
 Field
 
-##Known problems
+## Known problems
 
-Please use the [issue queue](https://www.drupal.org/project/issues/dynamic_entity_reference) to report problems
+Please use the [issue queue](https://www.drupal.org/project/issues/dynamic_entity_reference) to report problems.
 
-##Credits
+## Credits
 
-Development being undertaken by [@larowlan](https://www.drupal.org/u/larowlan) and [@jibran](https://www.drupal.org/u/jibran) of [PreviousNext](https://www.drupal.org/marketplace/previousnext)
+Development being undertaken by [@larowlan](https://www.drupal.org/u/larowlan) of [PreviousNext](https://www.drupal.org/marketplace/previousnext) and [@jibran](https://www.drupal.org/u/jibran)

help_topics/dynamic_entity_reference.overview.html.twig

+---
+label: 'Dynamic Entity Reference'
+top_level: true
+---
+<h2>{% trans %}Overview{% endtrans %}</h2>
+<p>
+  <a href="https://www.drupal.org/project/dynamic_entity_reference" rel="nofollow">
+    {% trans %}Dynamic Entity Reference{% endtrans %}
+  </a>
+  {% trans %} provides a field type/widget/formatter combination for Drupal 8 that allows an entity-reference field to reference more than one entity type.{% endtrans %}
+</p>
+<a target="_blank" rel="noopener noreferrer" href="https://www.drupal.org/files/project-images/Screen%20Shot%202014-06-11%20at%208.00.21%20am.png">
+  <img src="https://www.drupal.org/files/project-images/Screen%20Shot%202014-06-11%20at%208.00.21%20am.png" alt="Dynamic Entity Reference" data-canonical-src="https://www.drupal.org/files/project-images/Screen%20Shot%202014-06-11%20at%208.00.21%20am.png" style="max-width: 100%;">
+</a>
+
+<h2>{% trans %}Features{% endtrans %}</h2>
+
+<p>
+  {% trans %}Create a single field to hold references to Users and Nodes. Or Terms and Nodes, or all three.{% endtrans %}
+</p>
+
+<h2>{% trans %}Requirements{% endtrans %}</h2>
+
+<p>
+  {% trans %}Core field module.{% endtrans %}
+</p>
+
+<h2>{% trans %}Known problems{% endtrans %}</h2>
+
+<p>
+  {% trans %}Please use the{% endtrans %} <a href="https://www.drupal.org/project/issues/dynamic_entity_reference" rel="nofollow">{% trans %}issue queue{% endtrans %}</a> {% trans %}to report problems.{% endtrans %}
+</p>