feat: add GitHub Actions workflow for automated NPM package publishing

Author: gurvinder-dhillon

.github/workflows/publish.yml

@@ -0,0 +1,38 @@
+name: Publish
+on:
+    release:
+        types: [published]
+jobs:
+    publish-npm:
+        runs-on: ubuntu-latest
+        permissions:
+            contents: read
+            id-token: write
+        steps:
+            - uses: actions/checkout@v4
+            - uses: actions/setup-node@v4
+              with:
+                  node-version: 18
+                  registry-url: https://registry.npmjs.org/
+                  cache: 'npm'
+
+            - run: npm ci
+            - run: npm run build
+
+            - name: Lint
+              run: npm run lint
+            - name: Format check
+              run: npm run format
+
+            - name: Check package version
+              run: |
+                  PKG_VERSION=$(node -p "require('./package.json').version")
+                  TAG_VERSION=${GITHUB_REF#refs/tags/v}
+                  if [ "$PKG_VERSION" != "$TAG_VERSION" ]; then
+                    echo "Package version ($PKG_VERSION) does not match tag version ($TAG_VERSION)"
+                    exit 1
+                  fi
+
+            - run: npm publish --access public
+              env:
+                  NODE_AUTH_TOKEN: ${{secrets.NPM}}