make an artifact-building workflow

.github/workflows/build.yaml

@@ -0,0 +1,27 @@
+name: Deploy
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v3
+
+      - run: npm install
+      - run: npm run build
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: production-files
+          path: ./dist