Added an event listener for message event. The idea is the website which embeds the widget will send a message using postMessage(). The expected message is: { css: // custom CSS code js: // custom JS code }
Adds handling for parameters: disablefilter - disable search filters disableclick - disable book click action disabledownload - disable download button disabledesc - disable description
Adds an endpoint /widget to provide kiwix serve widget.