docs: update release notes with comprehensive CLI documentation

- Add detailed release notes with all CLI commands
- Include installation instructions for all platforms
- Add roadmap and documentation links
- Update npm installation to use @doplan-dev/cli

Author: Test User

.goreleaser.yml

@@ -110,8 +110,6 @@ release:
   header: |
     ## Release Notes
 
-    **DoPlan CLI v0.0.1-beta - First Release**
-
     This is the first beta release of DoPlan CLI, a comprehensive project workflow automation tool that transforms app ideas into structured development projects.
 
     ### 🎉 What is DoPlan?