added pubish package in npm

Author: Manu

.github/workflows/main.yml

@@ -18,6 +18,7 @@ jobs:
         uses: actions/setup-node@v1
         with:
           node-version: ${{ matrix.node }}
+          registry-url: 'https://registry.npmjs.org'
 
       - name: Install deps and build (with cache)
         uses: bahmutov/npm-install@v1
@@ -30,3 +31,8 @@ jobs:
 
       - name: Build
         run: yarn build
+
+      - name: Publish
+        run: yarn publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}