fix navigation hover effect, documentation
fix navigation hover effect, documentation

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