st_ipl ships in the framework archive. Drop it under resources/[strata]/ alongside the rest, then ensure it from your server.cfg:
ensure st_iplst_ipl has no hard dependencies — it runs standalone alongside the rest of the ox stack.
Tunables live in st_ipl/shared/config.lua(or st_ipl/config.lua for resources without a shared/ folder). Edit there directly, or override from your own resource so a git pulldoesn't clobber your changes.
Every Strata resource is on GitHub. Open an issue or a PR against the repo if you spot a bug: