add publish workflow

Author: pycabbage

.github/workflows/publish.yml

@@ -0,0 +1,22 @@
+name: Publish Package to npmjs
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: ".nvmrc"
+      - name: Download artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: libxmlwasm.tgz
+          path: libxmlwasm.tgz
+      - run: ls . */