ci: add CI pipeline with test badge in README

Author: pmartin-dev

.github/workflows/ci.yml

@@ -0,0 +1,16 @@
+name: CI
+
+on: push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm test

README.md

@@ -1,5 +1,7 @@
 # Clean Domain-Driven
 
+[![CI](https://github.com/pmartin-dev/clean-domain-driven/actions/workflows/ci.yml/badge.svg)](https://github.com/pmartin-dev/clean-domain-driven/actions/workflows/ci.yml)
+
 A production-ready reference implementation of Domain-Driven Design with Clean Architecture and CQRS in TypeScript — using a library lending system as a concrete domain.
 
 This repository walks through the DDD methodology — from understanding the business domain to implementing it in code — using a library book lending system as a concrete example.

package.json

@@ -3,6 +3,7 @@
   "version": "1.0.0",
   "description": "A practical guide to Domain-Driven Design with Clean Architecture in TypeScript.",
   "license": "UNLICENSED",
+  "packageManager": "pnpm@10.33.0",
   "author": "Pierre Martin",
   "private": true,
   "type": "module",