1.28.0

• Add application/rpki-publication
• Add application/vnd.bint.med-content
• Add application/vnd.capasystems-pg+json
• Add application/vnd.datapackage+json
• Add application/vnd.hyper-item+json
• Add application/vnd.imagemeter.folder+zip
• Add application/vnd.microsoft.windows.thumbnail-cache
• Add application/vnd.onepagertamp
• Add application/vnd.onepagertamx
• Add application/vnd.onepagertat
• Add application/vnd.onepagertatp
• Add application/vnd.onepagertatx
• Add model/3mf
• Add multipart/vnd.bint.med-plus
• Add text/strings
• Add extension .gz to application/gzip
• Update extensions .md and .markdown to be text/markdown