~kt/udprelay

ref: 31c7d40007ca4907f160fc46aec44a6aaa2ccace udprelay/udprelay.7.scd -rw-r--r-- 1.7 KiB
Add version footers to man pages
Rename udprelay.5.scd to udprelay.7.scd
Implement command protocol
Add documentation for udprelay command protocol