As a plugin developer you can use this plugin as dependency of your plugin by adding a dependency tag to your POM.
To add the latest version of this plugin as a maven dependency, use the following:
<dependency>
<groupId>ru.yandex.qatools.allure</groupId>
<artifactId>allure-jenkins-plugin</artifactId>
<version>2.32.0</version>
</dependency>