run tests in CI

Author: jbolda

.github/workflows/preview.yml

@@ -1,4 +1,4 @@
-name: preview
+name: Preview
 
 on: [pull_request]
 

.github/workflows/typescript.yml

@@ -0,0 +1,19 @@
+name: Typescript
+
+on: [pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - run: npm ci
+      - name: test pkg
+        run: npm test
+        working-directory: ./typescript