Add CI check that TS build works (#37)

* Create build.yml

Add CI check that build works

* Test TS failing

* Revert "Test TS failing"

This reverts commit e6dc1c8.

* Clean up comments

.github/workflows/build.yml

@@ -0,0 +1,25 @@
+name: CI checks
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [22.x]
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "npm"
+      - run: npm ci
+      - run: npm run build