check formatting and build on push

.github/workflows/build.yaml

@@ -0,0 +1,23 @@
+name: Build
+
+on:
+  push
+
+jobs:
+  build-check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Checkout the repo
+        uses: actions/checkout@v4
+
+      - name: Install npm-run-all
+        run: npm install npm-run-all
+
+      - name: Check formatting
+        run: npm run build
+

.github/workflows/formatting.yaml

@@ -0,0 +1,22 @@
+name: Formatting
+
+on:
+  push
+
+jobs:
+  format-check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+
+      - name: Checkout the repo
+        uses: actions/checkout@v4
+
+      - name: Install prettier
+        run: npm install --save-dev --save-exact prettier
+
+      - name: Check formatting
+        run: npx prettier --check src/