COM_FOOS [DATE] [AUTHOR] [AUTHOR_EMAIL] [AUTHOR_URL] [COPYRIGHT] GNU General Public License version 2 or later; 1.0.0 COM_FOOS_XML_DESCRIPTION FooNamespace\Component\Foos script.php COM_FOOS COM_FOOS foos.xml services src tmpl https://raw.githubusercontent.com/astridx/boilerplate/tutorial/changelog.xml https://raw.githubusercontent.com/astridx/boilerplate/tutorial/foo_update.xml