add controls page

Author: LiamConnors

_includes/posts/mainlang_documentation_eg.html

@@ -530,7 +530,7 @@
  {% endif %}
  {%- endfor -%}
 
- {% if forloop_idx > num_examples %}
+ {% if forloop_idx >= num_examples %}
  <a href="/{{language}}/controls/" class="langindexlink">More Controls &raquo;</a>
  {% endif %}
  </header>

_posts/plotly_js/controls/2024-05-27-plotly_js-controls-index.md

@@ -0,0 +1,28 @@
+---
+permalink: javascript/controls/
+description: Plotly.js makes interactive, publication-quality graphs online. Examples of how to make controls in charts.
+name: Add Custom Controls
+layout: langindex
+language: plotly_js
+display_as: controls
+thumbnail: thumbnail/mixed.jpg
+page_type: example_index
+---
+
+
+<header class="--welcome">
+<div class="--welcome-body">
+<!--div.--wrap-inner-->
+<div class="--title">
+
+<div class="--body">
+<h1>Add Custom Controls</h1>
+<p>{{page.description}}</p>
+{% include layouts/dashplug.html %}
+</div>
+</div>
+</div>
+</header>
+
+{% assign languagelist = site.posts | where:"language","plotly_js" | where:"display_as","controls" | where: "layout","base" | sort: "order" %}
+  {% include posts/documentation_eg.html %}