👷 Add Lighthouse CI configuration

lighthouserc.js

@@ -0,0 +1,12 @@
+module.exports = {
+  ci: {
+    collect: {
+      startServerCommand: "npm run example",
+      startServerReadyPattern: "Web Server is available",
+      url: ["http://localhost:8008/congo/samples/markdown/"],
+    },
+    upload: {
+      target: "temporary-public-storage",
+    },
+  },
+};