feat: add complete monorepo structure and all packages

This completes the initial monorepo setup with all packages and configuration.

Packages added:
- @tpmjs/ui - React component library with .ts-only components
- @tpmjs/utils - Utility functions (cn, format)
- @tpmjs/types - TypeScript types and Zod schemas
- @tpmjs/env - Environment variable validation
- @tpmjs/test - Shared Vitest configuration
- @tpmjs/mocks - MSW mock server
- @tpmjs/config - Shared configurations (Biome, ESLint, Tailwind, TypeScript)

Applications added:
- @tpmjs/web - Next.js 16 App Router

Infrastructure:
- Turborepo configuration with build pipeline
- pnpm workspace setup
- GitHub Actions CI/CD
- Changesets for versioning
- Lefthook pre-commit hooks
- VSCode workspace settings
- Comprehensive documentation

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

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

lefthook.yml

@@ -0,0 +1,18 @@
+pre-commit:
+  parallel: true
+  commands:
+    format:
+      glob: "*.{ts,tsx,js,jsx,json,md}"
+      run: pnpm biome check --write --no-errors-on-unmatched --files-ignore-unknown=true {staged_files}
+      stage_fixed: true
+
+    type-check:
+      run: pnpm type-check
+
+    lint:
+      run: pnpm lint
+
+pre-push:
+  commands:
+    test:
+      run: pnpm test