Apply types for meta

Author: MOZGIII

src/app/_meta.ts

@@ -1,3 +1,4 @@
+import type { MetaRecord } from "nextra";
 import { separator } from "../utils/meta";
 
 export default {
@@ -26,4 +27,4 @@ export default {
   "---showcase": separator,
 
   showcase: "Showcase",
-};
+} as const satisfies MetaRecord;

src/app/integration/_meta.ts

@@ -1,7 +1,9 @@
+import type { MetaRecord } from "nextra";
+
 export default {
   "general-information": "General Information",
   interfaces: {
     title: "Solidity API",
     href: "https://link.humanode.io/docs/biomapper-sdk",
   },
-};
+} as const satisfies MetaRecord;