OKX strategy research and live execution tooling

lxy be91f9cec7 fix: validate position side and notional		пре 3 месеци
okx_codex_trader	be91f9cec7 fix: validate position side and notional	пре 3 месеци
tests	be91f9cec7 fix: validate position side and notional	пре 3 месеци
README.md	3f94692dec chore: scaffold okx codex trader project	пре 3 месеци
pyproject.toml	3f94692dec chore: scaffold okx codex trader project	пре 3 месеци

okx-codex-trader

Minimal project skeleton for the OKX Codex Trader demo CLI.