chore: setup test and publish workflows

Author: lorenzocestaro

Diff for: .github/workflows/npm-publish-github-packages.yml

@@ -0,0 +1,26 @@
+---
+name: Publish
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16.x'
+          registry-url: 'https://registry.npmjs.org'
+      - run: npm ci
+      - run: npm test
+      - run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

Diff for: .github/workflows/publish.yml

@@ -0,0 +1,20 @@
+---
+name: Test
+
+on: [push, pull_request, workflow_call]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [12, 14, 16]
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm ci
+      - run: npm test