Added documentation for init service discovery
Added documentation for init service discovery

mgk/vault,jgcallero/vault,deverton/hashicorp-vault,michaelansel/vault,hashicorp/vault,mgk/vault,Banno/vault,jam-pot/vault,martin-ducar-gd/vault,skippy/vault,lirao/vault,MonsantoCo/vault,wjam/vault,kingland/vault,joelthompson/vault,jmhardison/vault,chrishoffman/vault,naunga/vault,peteryhwong/vault,mhurne/vault,rnaveiras/vault,hartsock/vault,quixoten/vault,Aloomaio/vault,kingland/vault,hashicorp/vault,lemondrank/vault,naunga/vault,michaelansel/vault,hashicorp/vault,peteryhwong/vault,deverton/hashicorp-vault,danielsomerfield/vault,memory/vault,Caiyeon/vault,ryon/vault,rnaveiras/vault,jmhardison/vault,rnaveiras/vault,chrishoffman/vault,Aloomaio/vault,MonsantoCo/vault,lemondrank/vault,tallpauley/vault,quixoten/vault,hartsock/vault,jgcallero/vault,cimarron-pistoncloud/vault,tallpauley/vault,doodles526/vault,skippy/vault,doodles526/vault,hartsock/vault,jmhardison/vault,jmhardison/vault,quixoten/vault,joelthompson/vault,LolalyLuo/vault,danielsomerfield/vault,Aloomaio/vault,kingland/vault,lirao/vault,jam-pot/vault,hartsock/vault,joelthompson/vault,rnaveiras/vault,wjam/vault,hashicorp/vault,mhurne/vault,hashicorp/vault,mgk/vault,Aloomaio/vault,ryon/vault,kingland/vault,jmhardison/vault,cimarron-pistoncloud/vault,joelthompson/vault,mymercurialsky/vault,mgk/vault,hashicorp/vault,memory/vault,rnaveiras/vault,martin-ducar-gd/vault,hartsock/vault,LolalyLuo/vault,mymercurialsky/vault,quixoten/vault,kingland/vault,Banno/vault,Caiyeon/vault