Use left side window to present larger amount of information.
This plugin also demonstrates receiving broadcasted messages and using store to programatically change overlay.
className should contain list of class names that will be attached to your
plugin upon mounting.
pane contains identifier of a pane, where your plugin will reside.
Since we want to have only one pane on left side, this string will guarantee, that all other plugins on the left side will be closed.
This plugin has HTML content and CSS. HTML file has to be named plugin.html and entry file for LESS has to be named plugin.less.
See Windy Plugins API to have better idea how plugin system works or Windy API documentation