Improve simutrans packaging approach

- package simutrans itself without paksets
- define union packages for simutrans + paksets
- use new-style gexps for builders
- extract auxiliary simutrans files (e.g. .desktop file) into separate
  files in the repo

1 files changed, 8 insertions, 0 deletions

diff --git a/tw/packages/files/simutrans.desktop b/tw/packages/files/simutrans.desktop
new file mode 100644
index 00000000..ed9c200f
--- /dev/null
+++ b/tw/packages/files/simutrans.desktop
@@ -0,0 +1,8 @@
+[Desktop Entry]
+Name=Simutrans
+Comment=Transportation simulator
+Exec=simutrans
+Icon=simutrans
+Terminal=false
+Type=Application
+Categories=Game;Simulation;