In order for ${maven.multiModuleProjectDirectory} to work correctly, directory '.mvn'
is needed in the root directory, see https://stackoverflow.com/a/49528226/1082681.

Add forgotten dummy file .mvn directory in order to make 'maven.multiModuleProjectDirectory' work
Add forgotten dummy file .mvn directory in order to make 'maven.multiModuleProjectDirectory' work

See https://stackoverflow.com/a/49528226/1082681.
