server/apps/twofactor_backupcodes/appinfo/info.xml

<?xml version="1.0"?>
<info xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
	  xsi:noNamespaceSchemaLocation="https://apps.nextcloud.com/schema/apps/info.xsd">
	<id>twofactor_backupcodes</id>
	<name>Two factor backup codes</name>
	<summary>A two-factor auth backup codes provider</summary>
	<description>A two-factor auth backup codes provider</description>
	<version>1.3.0</version>
	<licence>agpl</licence>
	<author>Christoph Wurst</author>
	<namespace>TwoFactorBackupCodes</namespace>
	<category>integration</category>
	<category>security</category>
	<bugs>https://github.com/nextcloud/server/issues</bugs>
	<dependencies>
		<nextcloud min-version="14" max-version="14" />
	</dependencies>

	<two-factor-providers>
		<provider>OCA\TwoFactorBackupCodes\Provider\BackupCodesProvider</provider>
	</two-factor-providers>

	<settings>
		<personal>OCA\TwoFactorBackupCodes\Settings\Personal</personal>
	</settings>

	<activity>
		<providers>
			<provider>OCA\TwoFactorBackupCodes\Activity\Provider</provider>
		</providers>
	</activity>
</info>