GIMP rebranding as WLBR?

Draft: wlbr is gimp, infrastructure for additional localization (!2786) · Merge requests · GNOME / GIMP · GitLab

lacking, splash integration, documentation, when the environment variable WLBR_IS_GIMP is set, in ui visible strings GIMP/gimp is replaced with WLBR/wlbr.