[skip deploy] Add pull request audit workflow

Signed-off-by: Harsh Shandilya <msfjarvis@gmail.com>

.github/workflows/audit_pull_requests.yml

@@ -0,0 +1,15 @@
+name: Audit pull request
+on: pull_request
+
+jobs:
+  audit:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Audit Netlify deploy preview
+      uses: jakejarvis/lighthouse-action@master
+      with:
+        netlify_site: 'msfjarvis-website-staging.netlify.com'
+    - uses: actions/upload-artifact@master
+      with:
+        name: report
+        path: './report'