feat(release): v2.2.0 - Two-mode workflow system (Full PRD + Quick Ship)

Major workflow improvements based on user feedback:
- Interactive PRD creation with refinement questions
- Draft mode for parallel workflow (Main branch stays free)
- Quick Ship mode for small changes (<4hr)
- New PRD naming: PRD-XXX-feature-name.md
- Enhanced /create-prd, /code-prd, /complete-prd
- New /quick-ship command

Author: Yassinello

package.json

@@ -1,6 +1,6 @@
 {
   "name": "claude-prd-workflow",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "The complete Claude Code plugin for Product-Driven Development. Ship features faster with AI-powered PRD review, Git worktree support, and automated quality gates.",
   "main": "install.js",
   "bin": {