chore: workflow

.github/workflows/main.yml

@@ -0,0 +1,29 @@
+name: CI
+on: [push]
+jobs:
+  build:
+    name: Build and test on Node ${{ matrix.node }} on Ubuntu
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node: ["18.x"]
+        os: [ubuntu-latest]
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v2
+
+      - name: Use Node ${{ matrix.node }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: Install deps and build (with cache)
+        uses: bahmutov/npm-install@v1
+
+      - name: Test
+        run: yarn test --ci --coverage --maxWorkers=2
+
+      - name: Build
+        run: yarn build

package.json

@@ -8,7 +8,7 @@
     "src"
   ],
   "engines": {
-    "node": ">=18"
+    "node": ">=16"
   },
   "scripts": {
     "start": "tsdx watch",