SWARM-1915: Add section that describes the existing hollow jars (#859)
SWARM-1915: Add section that describes the existing hollow jars (#859)

* Add section that describes the existing hollow jars

kenfinnigan/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,wildfly-swarm/wildfly-swarm-core,wildfly-swarm/wildfly-swarm,kenfinnigan/wildfly-swarm,wildfly-swarm/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,wildfly-swarm/wildfly-swarm-core,kenfinnigan/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,wildfly-swarm/wildfly-swarm,juangon/wildfly-swarm,juangon/wildfly-swarm,juangon/wildfly-swarm,wildfly-swarm/wildfly-swarm,juangon/wildfly-swarm,kenfinnigan/wildfly-swarm,kenfinnigan/wildfly-swarm,juangon/wildfly-swarm,wildfly-swarm/wildfly-swarm