Use semantic markup (modules h-j) (#6677)
* Use semantic markup.
* Use 'ignore:' until a new version of antsibull-docs is released.
* 'ignore:' is no longer needed.
* E() now works better.
(cherry picked from commit 3e0d84bdda)
Co-authored-by: Felix Fontein <felix@fontein.de>
* icinga2_host: make use of templates, append vars instead of replacing all vars array.
* Initialize `template` variable. Add changelog fragment.
* Update changelogs/fragments/6286-icinga2_host-template-and-template-vars.yml
Co-authored-by: Felix Fontein <felix@fontein.de>
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Co-authored-by: Felix Fontein <felix@fontein.de>
