Add translatable strings to wiki pages
What does this MR do?
Adds ability to use translations for the Project Wiki pages
Are there points in the code the reviewer needs to double check?
Why was this MR needed?
This MR is part of an on-going effort to translate GitLab.
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
[ ] Changelog entry added, if necessary[ ] Documentation created/updated[ ] API support added-
Tests added for this feature/bug - Review
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Has been reviewed by UX -
Has been reviewed by Frontend -
Has been reviewed by Backend [ ] Has been reviewed by Database
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Conform by the merge request performance guides -
Conform by the style guides -
Squashed related commits together
What are the relevant issue numbers?
Closes https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2933
Edited by James Ramsay (ex-GitLab)