Documentation for latest release does not seem to be published

[snicoll]

Following the link in the README, I ended up at https://www.mojohaus.org/jaxb2-maven-plugin/#/repo

The doc for 3.2.0 should be https://www.mojohaus.org/jaxb2-maven-plugin/Documentation/v3.2.0/index.html but it's 404 at the moment.

[slawekjaranowski]

Please look at: #350