geolocation: program scaffolding part 1 #3084
Description
- Add the doublezero-geolocation onchain program with InitProgramConfig and UpdateProgramConfig instructions
- Foundation allowlist authorization via CPI to the serviceability program's GlobalState
- Upgrade authority verification for program config initialization and updates
- Borsh-derived instruction enum with pack/unpack serialization
- Workspace and Makefile integration for build, lint, and test