add layer ch.swisstopo.hangneigung-ueber_30

git-svn-id: https://svn.bgdi.admin.ch/mf-chsdi/trunk/chsdi@4097 e100092c-b5e6-494f-8bdf-19c1ff2a4001
translate layer ch.swisstopo.hangneigung-ueber_30

git-svn-id: https://svn.bgdi.admin.ch/mf-chsdi/trunk/chsdi@4098 e100092c-b5e6-494f-8bdf-19c1ff2a4001