- Update .gitignore for local Claude files and generated artifacts
- Add MAINNET_ROADMAP.md with deployment phases
- Add zombienet test configuration files
- Add Pezkuwi-specific subxt examples for token transfers
The 25_tickets_100_auths.bin file was gitignored by the global *.bin
rule but is required for cargo-check-all-benches CI job. This adds an
exception to .gitignore and includes the benchmark data file.