emulators/dps8m: Improve, lint, take maintainership
- Add WWW for source code repository.
- Add WWW for running MULTICS Wiki.
- Pet portclippy(1) and portfmt(1)
- Simplify do-install stage
- Improve pkg-descr
PR: 294562
Approved by: db@, yuri@ (Mentors, implicit)
MFH: 2026Q2