Add German translation for beginner website tutorial "en/beginner/start-osm"
Add German translation for beginner website tutorial "en/beginner/start-osm"

feyeandal/test,Anwaario/Nick-Tallguy.github.io,jmarlena/learnosm,jmarlena/learnosm-ux-staging-site,hotosm/learnosm,Nick-Tallguy/Nick-Tallguy.github.io,Anwaario/Nick-Tallguy.github.io,hotosm/learnosm,Nick-Tallguy/Nick-Tallguy.github.io,althio/learnosm,osmlab/teachosm,Anwaario/Nick-Tallguy.github.io,jmarlena/learnosm-ux-staging-site,hotosm/learnosm,feyeandal/test,althio/learnosm,jmarlena/learnosm-ux-staging-site,furaidochikin/learnosm,feyeandal/test,jmarlena/learnosm,furaidochikin/learnosm,Anwaario/Nick-Tallguy.github.io,Nick-Tallguy/Nick-Tallguy.github.io,jmarlena/learnosm,osmlab/teachosm,hotosm/learnosm,althio/learnosm,jmarlena/learnosm,furaidochikin/learnosm,Nick-Tallguy/Nick-Tallguy.github.io,feyeandal/test,Nick-Tallguy/Nick-Tallguy.github.io,althio/learnosm,jmarlena/learnosm-ux-staging-site,furaidochikin/learnosm