app_template/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>app_template</id>
	<name>App Template</name>
	<summary>An example summary</summary>
	<description>An example description</description>
	<version>1.0.0</version>
	<licence>agpl</licence>
	<author>Example</author>
	<namespace>AppTemplate</namespace>
	<category>example</category>
	<bugs>https://example.com/bugs</bugs>
	<dependencies>
		<nextcloud min-version="29" max-version="29"/>
	</dependencies>
	<navigations>
		<navigation>
			<id>app_template</id>
			<name>App Template</name>
			<route>app_template.page.index</route>
			<icon>app.svg</icon>
			<type>link</type>
		</navigation>
	</navigations>
</info>