Workflow to deploy package to NPM

Author: SamKirkland

.github/workflows/main.yml

@@ -0,0 +1,20 @@
+name: Publish to NPM
+
+on:
+  release:
+    branches: [ master ]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+      - run: npm ci
+      - run: npm test
+      - run: npm pack
+      - uses: JS-DevTools/npm-publish@v1
+        with:
+          token: ${{ secrets.NPM_TOKEN }}