xtended', 'web-dl'). The icon name you provide is used to find a file like <code>source.icon-name.png</code> in your custom icons folder.
                        </p>
                        <div class="paper-card" style="padding: 1.5em;">
                            <div id="filenameMappingsContainer">
                                <!-- Mappings will be added here by JS -->
                            </div>
                            <button is="emby-button" type="button" class="raised" id="btnAd