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/Dockerfile

@@ -0,0 +1,36 @@
+FROM node:20-alpine AS base
+RUN corepack enable && corepack prepare pnpm@9.15.4 --activate
+WORKDIR /app
+
+# Install deps
+FROM base AS deps
+COPY package.json pnpm-workspace.yaml ./
+COPY apps/api/package.json apps/api/
+COPY packages/db/package.json packages/db/
+COPY packages/types/package.json packages/types/
+RUN pnpm install --frozen-lockfile
+
+# Build
+FROM deps AS builder
+COPY packages/ packages/
+COPY apps/api/ apps/api/
+RUN pnpm --filter @groombook/api build
+
+# Runtime
+FROM node:20-alpine AS runner
+RUN corepack enable && corepack prepare pnpm@9.15.4 --activate
+WORKDIR /app
+ENV NODE_ENV=production
+
+COPY package.json pnpm-workspace.yaml ./
+COPY apps/api/package.json apps/api/
+COPY packages/db/package.json packages/db/
+COPY packages/types/package.json packages/types/
+RUN pnpm install --frozen-lockfile --prod
+
+COPY --from=builder /app/apps/api/dist apps/api/dist
+COPY --from=builder /app/packages/db packages/db
+COPY --from=builder /app/packages/types packages/types
+
+EXPOSE 3000
+CMD ["node", "apps/api/dist/index.js"]