docs: add npm distribution plan and EARS format specifications

📋 Change summary:
* Add docs/npm-distribution-plan.md - comprehensive npm package distribution strategy
* Add specs/ears-format.md - EARS (Easy Approach to Requirements Syntax) format specification

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: PaulDuvall