feat: add embedchain javascript package (#576)

embedchain-js/.github/workflows/npm-publish.yml

@@ -0,0 +1,47 @@
+name: Node.js Package
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
+      - run: npm ci
+      - run: npm test
+      - run: npm run build
+      - uses: actions/upload-artifact@v3
+        with:
+          name: dist
+          path: dist
+      - uses: actions/upload-artifact@v3
+        with:
+          name: types
+          path: types
+
+  publish-npm:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16
+          registry-url: https://registry.npmjs.org/
+      - uses: actions/download-artifact@v3
+        with:
+          name: dist
+          path: dist
+      - uses: actions/download-artifact@v3
+        with:
+          name: types
+          path: types
+      - run: npm ci
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.npm_token}}