chore: release v2.0.0

- Remove Roadmap section from README (no longer representative)
- Update all version references to 2.0.0
- marketplace.json: 2.0.0
- projman plugin: 2.0.0
- Update documentation version references

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

plugins/projman/README.md

@@ -1,4 +1,4 @@
-# Projman v1.0.0 - Project Management for Claude Code
+# Projman v2.0.0 - Project Management for Claude Code
 
 Sprint planning and project management plugin with full Gitea integration.
 
@@ -430,11 +430,11 @@ MIT License - See repository root for details
 
 ## Version
 
-**Current:** 1.0.0
+**Current:** 2.0.0
 
 **Changelog:**
-- v1.0.0: Full Gitea integration with wiki, milestones, dependencies, parallel execution
-- v0.1.0: Initial commands implementation
+- v2.0.0: Full Gitea integration with wiki, milestones, dependencies, parallel execution
+- v1.0.0: Initial release with basic commands
 
 ---