build: create npm-test.yml

.github/workflows/npm-test.yml

@@ -0,0 +1,16 @@
+# This workflow will run tests using node and then publish a package to GitHub Packages when a release is created
+# For more information see: https://docs.github.com/en/actions/publishing-packages/publishing-nodejs-packages
+
+name: Node Tests
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: npm test

package.json

@@ -4,6 +4,9 @@
   "description": "Sissi stands for `Simple Static Site` and is a configuration-free static-site generator for a minimalistic build step.",
   "main": "index.js",
   "type": "module",
+  "engines": {
+    "node": ">=20"
+  },
   "scripts": {
     "test": "node --test",
     "dev": "node ./src/cli dev",