add npm publish gh action

.github/workflows/npm-publish.yml

@@ -0,0 +1,29 @@
+name: Publish Package to npmjs
+on:
+  release:
+    types: [published]
+env:
+  EM_VERSION: 1.39.14
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: mymindstorm/setup-emsdk@v11
+        with:
+          version: ${{env.EM_VERSION}}
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Build jq-web
+        run: |
+          make
+          npm ci
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '16.x'
+          registry-url: 'https://registry.npmjs.org'
+      - run: npm ci
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.gitignore

@@ -4,3 +4,4 @@ browserify-cache.json
 *.swo
 *.swp
 jq.*
+.idea