addon.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    <addon id="script.skin.helper.widgets" name="Skin Helper Service Widgets" version="1.20.1" provider-name="marcelveldt and others">
    <requires>
		<import addon="xbmc.python" version="3.0.0"/>
        <import addon="xbmc.addon" version="12.0.0"/>
        <import addon="script.module.metadatautils" version="1.20.1"/>
        <import addon="script.module.simplecache" version="2.0.2"/>
    </requires>

    <extension point="xbmc.python.pluginsource" library="plugin.py">
        <provides>video audio</provides>
    </extension>
    <extension library="service.py" point="xbmc.service" start="login" />

    <extension point="xbmc.addon.metadata">
        <summary lang="en">Ready to use widgets for all kind of media types</summary>
        <description></description>
	<news>
	</news>
		<assets>
            <icon>icon.png</icon>
            <fanart>fanart.jpg</fanart>
        </assets>
        <language></language>
        <platform>all</platform>
        <license>GPL v2.0</license>
        <forum>http://forum.kodi.tv/showthread.php?tid=235676</forum>
        <website></website>
        <source>https://github.com/kodi-community-addons/script.skin.helper.widgets</source>
    </extension>
</addon>