Merge branch 'master' into 36c6-theme

.gitlab-ci.yml

README.md

guide.adoc

guide/de/dect-phones.adoc

guide/de/glossary.adoc

guide/de/how-to-read-this.adoc

guide/de/intro.adoc

guide/de/pack-list.adoc

guide/de/quickstart.adoc

guide/de/radio.adoc

guide/de/teams.adoc

guide/de/teams/awareness-team.adoc

guide/de/teams/boc.adoc

guide/de/teams/bottles-team.adoc

guide/de/teams/cashdesk.adoc

guide/de/teams/cert.adoc

guide/de/teams/gelb-team.adoc

guide/de/teams/hac.adoc

guide/de/teams/heaven.adoc

guide/de/teams/infodesk.adoc