Create lighthouse.yaml

Signed-off-by: Andy Jones <[email protected]>

.github/workflows/lighthouse.yaml

@@ -0,0 +1,24 @@
+name: Lighthouse
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+jobs:
+  lhci:
+    name: Lighthouse
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js 16.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 16.x
+      - name: npm install, build
+        run: |
+          npm install
+          npm run build
+      - name: run Lighthouse CI
+        run: |
+          npm install -g @lhci/[email protected]
+          lhci autorun