chore: add tests, gh actions and prettier config

.github/workflows/test.yml

@@ -0,0 +1,28 @@
+name: Test
+on:
+  push:
+    branches:
+      - '**'
+
+permissions:
+  contents: read # for checkout
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 'lts/*'
+      - name: Install bare runtime
+        run: npm install -g bare
+      - name: Install dependencies
+        run: npm clean-install
+      - name: Run tests
+        run: npm test