Bootstrap monorepo: Hono API, React PWA, Drizzle DB, CI/CD

Sets up the initial project structure for groombook/groombook:

- pnpm monorepo with apps/api (Hono + TypeScript), apps/web (React + Vite + PWA), packages/db (Drizzle ORM), packages/types (shared types)
- Core DB schema: clients, pets, services, appointments, staff with CNPG-compatible Postgres
- REST API routes for clients, pets, services, appointments with Zod validation
- OIDC auth middleware for Authentik integration
- React PWA with vite-plugin-pwa, service worker, offline caching, installable manifest
- GitHub Actions CI: lint, typecheck, test, build, Docker image build (groombook-runners)
- Dockerfiles for API (Node.js) and Web (nginx)
- docker-compose.yml for local development

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/api/package.json

@@ -0,0 +1,30 @@
+{
+  "name": "@groombook/api",
+  "version": "0.0.1",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "tsx watch src/index.ts",
+    "build": "tsc",
+    "start": "node dist/index.js",
+    "lint": "eslint src --ext .ts",
+    "typecheck": "tsc --noEmit",
+    "test": "vitest run"
+  },
+  "dependencies": {
+    "@groombook/db": "workspace:*",
+    "@groombook/types": "workspace:*",
+    "@hono/node-server": "^1.13.7",
+    "hono": "^4.6.17",
+    "openid-client": "^6.1.7",
+    "zod": "^3.24.1"
+  },
+  "devDependencies": {
+    "@types/node": "^22.10.7",
+    "eslint": "^9.18.0",
+    "tsx": "^4.19.2",
+    "typescript": "^5.7.3",
+    "typescript-eslint": "^8.20.0",
+    "vitest": "^3.0.4"
+  }
+}