feat: add npm publish process to CI

Author: gengjiawen

.github/workflows/release-please.yml

@@ -11,4 +11,11 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           release-type: simple
-          package-name: release-please-action
+          package-name: release-please-action
+      - uses: actions/checkout@v2
+      - run: docker run -v $PWD:/pwd -w /pwd gengjiawen/node-build bash -c "cd wasm && wasm-pack build --release --scope=gengjiawen"
+      - run: npm publish
+        working-directory: wasm/pkg
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+        if: ${{ steps.release.outputs.release_created }}