fix: normalize bin paths and add CODEOWNERS

[ramonclaudio]

Changes

1. Normalized bin paths in package.json to resolve npm publish warnings
2. Added CODEOWNERS file for better code review practices

Technical Details

Package.json fixes

• Removed leading ./ from bin paths per npm best practices
• Fixes warning: npm warn publish 'bin[create-claude]' script name was cleaned
• Applied via npm pkg fix command

CODEOWNERS addition

• Defines code ownership for automatic review requests
• Improves OpenSSF Scorecard branch protection score
• Ensures consistent review practices even for solo projects

Testing

• Package will be validated in CI/CD pipeline
• No functional changes, only configuration improvements