Add a GitHub Packages publish action

.github/workflows/gh-publish.yml

@@ -0,0 +1,32 @@
+name: Publish Package to GitHub Packages
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  publish:
+    name: Publish Package to GitHub Packages
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js 20
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          registry-url: "https://npm.pkg.github.com"
+          scope: "@lesjoursfr"
+
+      - run: npm install
+
+      - run: npm run build
+
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}