st_apartments ships pre-installed by the strata-recipe (txAdmin remote recipe or the frozen strata-framework-vX.Y.Z.zipbundle). If you're installing standalone, drop it under resources/[strata]/ and start it from your cfg/resources.cfg:
start st_apartmentsPulled from st_apartments/fxmanifest.lua:
ox_coreox_liboxmysqlTunables live in st_apartments/shared/config.lua (or st_apartments/config.lua for resources without a shared/ folder). Convars consumed by the resource are documented inline in cfg/convars.cfg. Edit directly in a fork, or override from your own resource so a fresh deploy doesn't clobber your changes.
st_apartments is a standalone repo under the StrataFW org. Every tagged release publishes a downloadable zip: