fix(sample-website): add missing i18n configuration to fix build failure

apps/sample-website/messages/en.json

@@ -0,0 +1,5 @@
+{
+  "Index": {
+    "title": "Welcome"
+  }
+}

apps/sample-website/package.json

@@ -11,18 +11,19 @@
     "test": "vitest run"
   },
   "dependencies": {
+    "@mintel/next-utils": "workspace:*",
     "next": "15.1.6",
+    "next-intl": "^4.8.2",
     "react": "^19.0.0",
-    "react-dom": "^19.0.0",
-    "@mintel/next-utils": "workspace:*"
+    "react-dom": "^19.0.0"
   },
   "devDependencies": {
+    "@mintel/eslint-config": "workspace:*",
+    "@mintel/next-config": "workspace:*",
+    "@mintel/tsconfig": "workspace:*",
     "@types/node": "^20.0.0",
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
-    "typescript": "^5.0.0",
-    "@mintel/tsconfig": "workspace:*",
-    "@mintel/eslint-config": "workspace:*",
-    "@mintel/next-config": "workspace:*"
+    "typescript": "^5.0.0"
   }
 }

apps/sample-website/src/i18n/request.ts

@@ -0,0 +1,7 @@
+import { createMintelI18nRequestConfig } from "@mintel/next-utils";
+
+export default createMintelI18nRequestConfig(
+  ["en"],
+  "en",
+  (locale) => import(`../../messages/${locale}.json`),
+);