added PostgreSQL DSN example
added PostgreSQL DSN example

thorsteneckel/otrs,PortgasDAce/otrs,rudy500/otrs,crythias/otrs,s7design/otrs,muehlbauer/otrs,moritz/otrs,mbeijen/otrs-1,thorsteneckel/otrs,muehlbauer/otrs,xhoy/otrs,MBRG/otrs,rudy500/otrs,oiami/otrs,nilei/otrs,muehlbauer/otrs,thorsteneckel/otrs,capeit-tto/otrs,MBRG/otrs,xhoy/otrs,PortgasDAce/otrs,eliasp/otrs,moritz/otrs,linearregression/otrs,capeit-tto/otrs,crythias/otrs,noritnk/otrs,rudy500/otrs,mbeijen/otrs-1,brandonshults01/otrs,nilei/otrs,noritnk/otrs,balazj/otrs,crythias/otrs,mburggraf/otrs,xhoy/otrs,eliasp/otrs,balazj/otrs,oiami/otrs,MBRG/otrs,PortgasDAce/otrs,nilei/otrs,mburggraf/otrs,balazj/otrs,thorsteneckel/otrs,nilei/otrs,StCyr/otrs,oiami/otrs,oiami/otrs,s7design/otrs,muehlbauer/otrs,mbeijen/otrs-1,s7design/otrs,moritz/otrs,linearregression/otrs,PortgasDAce/otrs,StCyr/otrs,moritz/otrs,MBRG/otrs,vlascoder/otrs,balazj/otrs,oiami/otrs,mburggraf/otrs,brandonshults01/otrs,balazj/otrs,noritnk/otrs,brandonshults01/otrs,brandonshults01/otrs,rudy500/otrs,xhoy/otrs,s7design/otrs,eliasp/otrs,StCyr/otrs,linearregression/otrs,linearregression/otrs,PortgasDAce/otrs,StCyr/otrs,MBRG/otrs,mburggraf/otrs,vlascoder/otrs,mburggraf/otrs,xhoy/otrs,muehlbauer/otrs,eliasp/otrs,moritz/otrs,thorsteneckel/otrs,rudy500/otrs,nilei/otrs,linearregression/otrs,brandonshults01/otrs,eliasp/otrs,StCyr/otrs,crythias/otrs,capeit-tto/otrs,vlascoder/otrs,s7design/otrs,crythias/otrs