✨ feat: make JS light/dark toggle optional

templates/partials/nav.html

@@ -12,12 +12,14 @@
                         }}</a>
                     {% endfor %}
                 </div>
+                {%- if config.extra.theme_switcher == true -%}
                 <label class="theme-switcher" for="themeswitch">
                     <input type="checkbox" id="themeswitch">
                     <div class="switch">
                         <img alt="set dark theme" class="moon" src="{{ config.base_url }}/menu_icon/moon.svg">
                         <img alt="set light theme" class="sun" src="{{ config.base_url }}/menu_icon/sun.svg">
                     </div>
+                {%- endif -%}
                 </label>
             </div>
         {% endif %}