fix(scripts): Fix password extraction in publish script

The grep pattern was using 'cut -d" " -f3' which failed when the
password line format is 'password = TOKEN'. Changed to use sed to
remove 'password = ' prefix and tr to strip spaces.

chore: Bump version to 0.2.6 for release

Release includes:
- fix(mcp): Policy validation warnings for ADR creation
- docs: Constraint extraction guide and examples
- fix(cli): Semantic version comparison
- test: Comprehensive test coverage

Add comprehensive project documentation and CI

- Add detailed README.md with usage examples and features
- Add CONTRIBUTING.md with development guidelines
- Add MIT LICENSE file
- Add comprehensive .gitignore
- Add GitHub Actions CI workflow for testing across platforms
- Include automated ADR validation in CI pipeline

🤖 Generated with Claude Code (claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>