Separate slddb package#154

Draft

bmaranville wants to merge 10 commits intoreflectivity:mainfrom

bmaranville:separate-slddb-package

Commits on Mar 17, 2026

Don't keep slddb.db local copy but make a single download during the test
aglavic
committed
removing local slddb folder, creating independent package
bmaranville
committed
remove geant4 data from manifest - moved to slddb package
bmaranville
committed

Commits on Mar 18, 2026

remove geant4 data from manifest (was moved to slddb package)
bmaranville
committed