darkradiant 2.14.0-2 (riscv64 binary) in ubuntu jammy

 DarkRadiant is a 3D map and level editor for games based on the idtech4
 engines. The software is based on GtkRadiant and focuses on the games DOOM3 and
 The Dark Mod. Other games based on the same engine, like Quake 4, might be
 editable too, but are not explicitly supported.
 .
 Darkradiant can also be used to create free contents for the GPL'ed version of
 the DOOM3 engine.