Initial import of mined-2000.5, an html-aware editor, into the NetBSD

Initial import of mined-2000.5, an html-aware editor, into the NetBSD
Packages Collection.

Kind of provided in PR 20574 by Gan Uesli Starling, packaging by myself.

Mined is a text editor with
	Good interactive features
	an intuitive user interface
	command control and pull-down menus available
	control and function key or mouse control

Many useful text editing capabilities
       extensive Unicode support, including double-width and combining
		characters, keyboard mapping and script highlighting
       many text editing features, e.g. paragraph wrapping, smart quotes,
		multi-line support in search and replacement patterns
       program editing features, HTML support and syntax highlighting,
		identifier search
       systematic text and file handling safety, avoiding loss of data

"Small-footprint" operation and portability
       plain text mode (terminal) operation
       instant start-up
       cross-platform operation (Unix, DOS/Windows)