feat: v3.0.0 architecture overhaul

- Rename marketplace to lm-claude-plugins
- Move MCP servers to root with symlinks
- Add 6 PR tools to Gitea MCP (list_pull_requests, get_pull_request,
  get_pr_diff, get_pr_comments, create_pr_review, add_pr_comment)
- Add clarity-assist plugin (prompt optimization with ND accommodations)
- Add git-flow plugin (workflow automation)
- Add pr-review plugin (multi-agent review with confidence scoring)
- Centralize configuration docs
- Update all documentation for v3.0.0

BREAKING CHANGE: MCP server paths changed, marketplace renamed

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

plugins/git-flow/claude-md-integration.md

@@ -0,0 +1,55 @@
+# git-flow - CLAUDE.md Integration
+
+Add the following section to your project's CLAUDE.md file to enable git-flow.
+
+---
+
+## Git Workflow
+
+This project uses the git-flow plugin for git operations.
+
+### Workflow Style
+
+**Style:** feature-branch
+**Base Branch:** development
+
+### Branch Naming
+
+Use the format: `<type>/<description>`
+
+Types: feat, fix, chore, docs, refactor, test, perf
+
+Examples:
+- `feat/add-user-auth`
+- `fix/login-timeout`
+- `chore/update-deps`
+
+### Commit Messages
+
+Use conventional commits:
+
+```
+<type>(<scope>): <description>
+
+[body]
+
+[footer]
+```
+
+### Commands
+
+| Command | Use Case |
+|---------|----------|
+| `/commit` | Create commit with smart message |
+| `/commit-push` | Commit and push |
+| `/commit-merge` | Commit and merge to base |
+| `/branch-start` | Start new branch |
+| `/git-status` | Enhanced status |
+
+### Protected Branches
+
+Do not commit directly to: main, development, staging
+
+---
+
+Copy the section between the horizontal rules into your CLAUDE.md.