Each MIME type is added as a codec which codec name is prefixed with 'mime/', i.e.:

	mime/<mime-type-here>

Based on the information at [1] the following ranges are reserved for any mime types/subtypes:

	Range 0x1000 - 0x17ff: (11 bits) reserved for 'application/*' (there currently are ~1,300 subtypes)
	Range 0x1800 - 0x18ff:  (8 bits) reserved for 'audio/*' (there currently are ~150 subtypes)
	Range 0x1900 - 0x190f:  (4 bits) reserved for 'font/*' (there currently are ~8 subtypes)
	Range 0x1910 - 0x197f:  (7 bits) reserved for 'image/*' (there currently are ~60 subtypes)
	Range 0x1980 - 0x19cf:  (5 bits) reserved for 'message/*' (there currently are ~18 subtypes)
	Range 0x19d0 - 0x1a3f:  (6 bits) reserved for 'model/*' (there currently are ~24 subtypes)
	Range 0x1a40 - 0x1a8f:  (5 bits) reserved for 'multipart/*' (there currently are ~13 subtypes)
	Range 0x1a90 - 0x1aff:  (7 bits) reserved for 'text/*' (there currently are ~71 subtypes)
	Range 0x1b00 - 0x1b6f:  (7 bits) reserved for 'video/*' (there currently are ~78 subtypes)

In this PR only the MIME types listed at [2] are declared since these should
be the most relevant for the web, plus a few additional ones useful for the semantic web.

[1]: https://www.iana.org/assignments/media-types/media-types.xhtml
[2]: https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Complete_list_of_MIME_types