Setup GitHub CI

Author: fabon-f

.github/workflows/tests.yml

@@ -0,0 +1,24 @@
+name: Tests
+
+on: [push, pull_request]
+
+jobs:
+  test-node:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18, 20, 21]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 8
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: pnpm
+      - run: pnpm install
+      - name: Typecheck
+        run: pnpm typecheck
+      - name: Test
+        run: pnpm test