add ci workflow

Author: joshunrau

.github/workflows/ci.yaml

@@ -0,0 +1,23 @@
+name: CI
+on:
+  pull_request:
+    branches: ['main']
+jobs:
+  lint-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+      - name: Setup PNPM
+        uses: pnpm/action-setup@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          cache: 'pnpm'
+          node-version-file: '.nvmrc'
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+      - name: Lint
+        run: pnpm lint
+      - name: Test
+        run: pnpm test