x11-fonts/doulos: Update to 6.200

Update MASTER_SITES and WWW variables.
Add NO_ARCH=yes.
Add LICENSE_FILE.
Switch to DISTVERSION.
Submitter takes maintainership.

Changelogs:
https://github.com/silnrsi/font-doulos/releases/tag/v6.200
https://github.com/silnrsi/font-doulos/releases/tag/v6.101
https://github.com/silnrsi/font-doulos/releases/tag/v6.001
https://github.com/silnrsi/font-doulos/releases/tag/v6.000

PR: 283631