* feat(announcements): add markdown support
* feat(announcements): add information about announcement formatting in readme
* feat(announcements): bump packages versions for marked and dompurify
* feat(announcements): bump versions for marked and dompurify in package-lock.json
* fix(announcements): md to link was not working since the conflict merge
* fix(announcements): fix time before message and not after
* feat(announcements): past announcements add markdown support
* feat(announcements): static files
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