Add basic CI that runs make build and check

.github/workflows/build.yml

@@ -0,0 +1,19 @@
+name: build
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install dependencies
+        run: make node_modules
+      - name: Run build
+        run: make build
+      - name: Run check
+        run: make check