Use hbs extension

templates/dialog-select.hbs

@@ -0,0 +1,12 @@
+<form class="rdd-dialog-select">
+  <label>{{label}}</label>
+  <hr>
+  <ul class="flexcol item-list alterne-list">
+    {{#each list as |choice key|}}
+    <li class="select-choice item list-item flexrow" data-id="{{choice.id}}">
+      <img class="select-img flex-shrink" src="{{choice.img}}" data-tooltip="{{choice.name}}" />
+      <a><label>{{choice.name}}</label></a>
+    </li>
+    {{/each}}
+  </ul>
+</form>