Add interop categories

Author: bradleycamacho

pages/interop/_meta.json

@@ -1,6 +1,14 @@
 {
+  "--- Get started": {
+    "title": "Get started",
+    "type": "separator"
+  },
     "get-started": "Build interoperable apps on Superchain",
     "starter-kit": "SuperchainERC20 starter kit",
+    "--- Superchain interoperability": {
+      "title": "Superchain interoperability",
+      "type": "separator"
+    },     
     "explainer": "Superchain interop explainer",
     "predeploy": "Superchain interop predeploys",
     "message-passing": "Superchain interop message passing",