Add doc about multi app dir in sample config
Add doc about multi app dir in sample config

lrytz/core,jbicha/server,IljaN/core,IljaN/core,jbicha/server,nextcloud/server,michaelletzgus/nextcloud-server,andreas-p/nextcloud-server,owncloud/core,owncloud/core,jbicha/server,lrytz/core,bluelml/core,Ardinis/server,bluelml/core,endsguy/server,lrytz/core,Ardinis/server,xx621998xx/server,andreas-p/nextcloud-server,xx621998xx/server,pollopolea/core,phil-davis/core,lrytz/core,IljaN/core,bluelml/core,pmattern/server,owncloud/core,nextcloud/server,jbicha/server,andreas-p/nextcloud-server,whitekiba/server,pixelipo/server,pmattern/server,nextcloud/server,pixelipo/server,whitekiba/server,endsguy/server,sharidas/core,lrytz/core,sharidas/core,Ardinis/server,sharidas/core,pollopolea/core,pixelipo/server,endsguy/server,Ardinis/server,cernbox/core,cernbox/core,IljaN/core,pixelipo/server,sharidas/core,xx621998xx/server,whitekiba/server,pmattern/server,whitekiba/server,owncloud/core,michaelletzgus/nextcloud-server,whitekiba/server,Ardinis/server,pollopolea/core,endsguy/server,nextcloud/server,cernbox/core,andreas-p/nextcloud-server,pmattern/server,endsguy/server,michaelletzgus/nextcloud-server,owncloud/core,cernbox/core,cernbox/core,michaelletzgus/nextcloud-server,sharidas/core,pixelipo/server,andreas-p/nextcloud-server,pmattern/server,IljaN/core,bluelml/core,bluelml/core,pollopolea/core,jbicha/server,xx621998xx/server,xx621998xx/server,pollopolea/core