Update npm-publish.yml

Author: embiem

.github/workflows/npm-publish.yml

@@ -21,6 +21,7 @@ jobs:
           node-version: "12.x"
           registry-url: "https://registry.npmjs.org"
       - run: npm install
+      - run: npm run deploy # deploys to gh-pages
       - run: npm publish
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}