[SPiceZ-Core Racing] spzrc

Open-source, modular racing framework for FiveM. Installs all dependencies, SPZ modules, and a production-ready server.cfg in one step. The schema applies itself on first boot. v3.0.0: spz-lib dropped for ox_lib; illenium-appearance replaced by fivem-appearance; spz-orb/spz-stance/spz-tablet removed; schema moved to spz-core migrations.