add proper description what database is supported by CE and EE
add proper description what database is supported by CE and EE

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