add some placeholders for content we are still missing

2 jobs for master in 14 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
failed build #3790
container

00:00:14

 
  Deploy
skipped deploy #3791
container
 
Name Stage Failure
failed
build Build
$ if ! [ "$CI_COMMIT_REF_SLUG" == "master" ]; then sed -i "s@^baseURL =.*@baseURL = \"http://docs.immerda.ch/${DEPLOY_SLUG}/\"@" config.toml; fi
$ hugo version
Hugo Static Site Generator v0.59.1 linux/amd64 BuildDate: unknown
$ hugo
Building sites … Total in 113 ms
Error: Error building site: "/var/lib/gitlab-runner/runners/container-immer7-14.glei.ch/builds/immerda/content/docs.immerda.ch/content/de/account/_index.md:8:75": failed to render shortcode "ref": failed to process shortcode: "/var/lib/gitlab-runner/runners/container-immer7-14.glei.ch/builds/immerda/content/docs.immerda.ch/themes/hugo-theme-learn/layouts/shortcodes/ref.html:9:15": execute of template failed: template: shortcodes/ref.html:9:15: executing "shortcodes/ref.html" at <.Site.GetPage>: error calling GetPage: failed to resolve ref: page reference "domains.md" is ambiguous
Running after_script
Uploading artifacts for failed job
ERROR: Job failed: exit code 1