chore(ci): added workflows

.github/workflows/npm-release.yaml

@@ -0,0 +1,34 @@
+name: Release latest on npm
+
+on: 
+  workflow_dispatch:
+    inputs:
+
+jobs:
+  tag-and-publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Setup node
+        uses: actions/setup-node@v1
+        with:
+          node-version: 10
+          registry-url: https://registry.npmjs.org
+
+      - name: Git checkout
+        uses: actions/checkout@v2
+
+      - name: Get package version
+        run: |
+          export VERSION=`cat package.json | grep version | sed -E 's/.*: "(.*)",/\1/'`
+          echo "PKG_VERSION=$VERSION" >> $GITHUB_ENV
+
+      - name: Update dist-tag
+        run: npm dist-tag add mergely@${PKG_VERSION} latest
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Remove 'next' dist-tag
+        run: npm dist-tag rm mergely next
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}