1.21.0

• Add application/emergencycalldata.comment+xml
• Add application/emergencycalldata.deviceinfo+xml
• Add application/emergencycalldata.providerinfo+xml
• Add application/emergencycalldata.serviceinfo+xml
• Add application/emergencycalldata.subscriberinfo+xml
• Add application/vnd.filmit.zfc
• Add application/vnd.google-apps.document
• Add application/vnd.google-apps.presentation
• Add application/vnd.google-apps.spreadsheet
• Add application/vnd.mapbox-vector-tile
• Add application/vnd.ms-printdevicecapabilities+xml
• Add application/vnd.ms-windows.devicepairing
• Add application/vnd.ms-windows.nwprinting.oob
• Add application/vnd.tml
• Add audio/evs