9b9c5beb23
chore: enhance .gitignore and remove obsolete documentation files - Reorganize .gitignore with categorized sections for better maintainability - Add comprehensive ignore patterns for Python, Node.js, databases, logs, and build artifacts - Add project-specific ignore rules for coordinator, explorer, and deployment files - Remove outdated documentation: BITCOIN-WALLET-SETUP.md, LOCAL_ASSETS_SUMMARY.md, README-CONTAINER-DEPLOYMENT.md, README-DOMAIN-DEPLOYMENT.md ```