feat(package.json): semantic release (#41)

Author: rwieruch

.github/workflows/release.yml

@@ -0,0 +1,23 @@
+name: Release npm package
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: actions/setup-node@v1
+        with:
+          node-version: "16.x"
+      - run: npm install
+      - run: npm run check
+      - run: npm run dist --if-present
+      - run: npx semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}