CommandStation-EX/docs/_templates/layout.html

<!-- _templates/layout.html -->
{% extends "!layout.html" %}

{% block navigation %}
    {{ super() }}
    <div class="sidebar-versions">
        <div class="version-wrapper">
            <label for="version-switch">Documentation Version:</label>
            <select id="version-switch" onchange="window.location.href=this.value">
                <option value="/CommandStation-EX/"{% if version == "main" %} selected{% endif %}>
                    Production
                </option>
                <option value="/CommandStation-EX/devel/"{% if version == "devel" %} selected{% endif %}>
                    Development
                </option>
            </select>
        </div>
    </div>
{% endblock %}