gistfile1.txt

t3lib_extMgm::addStaticFile($_EXTKEY, 'Configuration/TypoScript', 'Crossport setup');

if (TYPO3_MODE === 'BE') {

	/**
	 * Registers a Backend Module
	 */
	\TYPO3\CMS\Extbase\Utility\ExtensionUtility::registerModule(
		'ThinkopenAt.' . $_EXTKEY,
		'user',	 // Make module a submodule of 'user'
		'crossport',	// Submodule key
		'',						// Position
		array(
			'Upload' => 'upload',
			'CrossportPreset' => 'detect, preview, crossport',
		),
		array(
			'access' => 'user,group',
			'icon'   => 'EXT:' . $_EXTKEY . '/ext_icon.gif',
			'labels' => 'LLL:EXT:' . $_EXTKEY . '/Resources/Private/Language/locallang_crossport.xlf',
		)
	);

}

gistfile2.txt

module.tx_crossport {
	view {
		# cat=module.tx_crossport/file; type=string; label=Path to template root (BE)
		templateRootPath = EXT:crossport/Resources/Private/Backend/Templates/
		# cat=module.tx_crossport/file; type=string; label=Path to template partials (BE)
		partialRootPath = EXT:crossport/Resources/Private/Backend/Partials/
		# cat=module.tx_crossport/file; type=string; label=Path to template layouts (BE)
		layoutRootPath = EXT:crossport/Resources/Private/Backend/Layouts/
	}
	persistence {
		# cat=module.tx_crossport//a; type=string; label=Default storage PID
		storagePid =
	}
}

gistfile3.txt

 # Module configuration
module.tx_crossport {
	persistence {
		storagePid = {$module.tx_crossport.persistence.storagePid}
	}
	view {
		templateRootPath = {$module.tx_crossport.view.templateRootPath}
		partialRootPath = {$module.tx_crossport.view.partialRootPath}
		layoutRootPath = {$module.tx_crossport.view.layoutRootPath}
	}
}