feat: initialize frontend monorepo with pnpm workspace and types package

- Add pnpm workspace configuration with apps/ and packages/
- Create @effigenix/types package with OpenAPI type generation setup
- Add TypeScript strict mode configuration
- Configure ESLint and Prettier for code quality
- Add wrapper files for clean type exports (auth, user, role, common)
- Add custom UI types and enums

frontend/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "@effigenix/root",
+  "version": "0.1.0",
+  "private": true,
+  "description": "Effigenix ERP Frontend Monorepo",
+  "scripts": {
+    "build": "pnpm run --recursive build",
+    "dev": "pnpm run --filter @effigenix/cli dev",
+    "test": "pnpm run --recursive test",
+    "test:coverage": "pnpm run --recursive test:coverage",
+    "typecheck": "pnpm run --recursive typecheck",
+    "lint": "eslint . --ext .ts,.tsx",
+    "lint:fix": "eslint . --ext .ts,.tsx --fix",
+    "format": "prettier --write \"**/*.{ts,tsx,json,md}\"",
+    "format:check": "prettier --check \"**/*.{ts,tsx,json,md}\""
+  },
+  "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^7.0.0",
+    "@typescript-eslint/parser": "^7.0.0",
+    "eslint": "^8.56.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-prettier": "^5.1.3",
+    "prettier": "^3.2.5",
+    "typescript": "^5.3.3"
+  },
+  "engines": {
+    "node": ">=20.0.0",
+    "pnpm": ">=9.0.0"
+  },
+  "packageManager": "pnpm@9.15.0"
+}