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>

package.json

@@ -0,0 +1,34 @@
+{
+  "name": "@tpmjs/monorepo",
+  "version": "0.0.0",
+  "private": true,
+  "type": "module",
+  "engines": {
+    "node": ">=18",
+    "pnpm": ">=8"
+  },
+  "packageManager": "pnpm@10.14.0",
+  "scripts": {
+    "dev": "turbo dev",
+    "build": "turbo build",
+    "test": "turbo test",
+    "test:ui": "turbo test:ui",
+    "lint": "turbo lint",
+    "format": "biome format --write .",
+    "format:check": "biome check .",
+    "type-check": "turbo type-check",
+    "clean": "turbo clean && rm -rf node_modules .turbo",
+    "changeset": "changeset",
+    "changeset:version": "changeset version && pnpm install --no-frozen-lockfile",
+    "changeset:publish": "pnpm build && changeset publish",
+    "prepare": "lefthook install"
+  },
+  "devDependencies": {
+    "@biomejs/biome": "^1.9.4",
+    "@changesets/cli": "^2.27.10",
+    "@types/node": "^22.10.2",
+    "lefthook": "^1.10.1",
+    "turbo": "^2.6.1",
+    "typescript": "^5.9.3"
+  }
+}