comms/flcluster: Update 1.0.4 => 1.1.01

Changelogs:
* https://sourceforge.net/p/fldigi/flcluster/ci/v1.1.01/tree/ChangeLog

* Fix upstream URI for WWW
* Use https:// URI scheme for WWW
* Add LICENSE_FILE
* Pet portclippy(1) and portfmt(1)
* Spellcheck pkg-descr

Approved by:	hamradio@ (alven@, yuri@)
Approved by:	yuri@ (Mentor)

Differential Revision: https://reviews.freebsd.org/D52897