add presentation files
Merge branch 'gh-pages' of https://github.com/okfde/codingdavinci.de into gh-pages
Merge branch 'gh-pages' of https://github.com/okfde/codingdavinci.de into gh-pages
Merge branch 'gh-pages' of https://github.com/okfde/codingdavinci.de into gh-pages
add download files to press kit
add download file to press kit
Merge branch 'gh-pages' of https://github.com/okfde/codingdavinci.de into gh-pages