change theme to bootstrap

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
remove outdated 'supported operating systems'

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
restructure sections

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
split out linting section

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #7 from TelekomLabs/updates

Updates