Render message in 404 page

added part::frontend type::feature workflow::confirmed labels

assigned to @hansegucker

mentioned in issue AlekSIS-App-Alsijil#188 (closed)

enabled an automatic merge when the pipeline for 1a80f625 succeeds

aborted the automatic merge because source branch was updated

added 1 commit

• 453decdb - Pass user-readable message in all 404s

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added 9 commits

• 453decdb...16d58f35 - 8 commits from branch master
• 8e90c1ac - Merge branch 'master' into 'feature/message-for-404'

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enabled an automatic merge when the pipeline for 8e90c1ac succeeds

canceled the automatic merge

merged

mentioned in commit a31f14c1