New port: deskutils/freeplane

Freeplane is a free and open source software application that supports
thinking, sharing information and getting things done at work, in
school and at home. The software can be used for mind mapping and
analyzing the information contained in mind maps.

WWW: https://www.freeplane.org/

PR: 225399
Submitted by: lbartoletti@tuxfamily.org