Add newline at the end of shiro.ini to fix REAPER_AUTH_USER
Add newline at the end of shiro.ini to fix REAPER_AUTH_USER

 ref: https://github.com/thelastpickle/cassandra-reaper/pull/620

thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper,thelastpickle/cassandra-reaper