add kdevelop project files to .gitignore
add kdevelop project files to .gitignore

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