Add first i18n stuff

package.json

@@ -21,6 +21,7 @@
     },
     "dependencies": {
         "@asteasolutions/zod-to-openapi": "^7.3.0",
+        "@heroicons/react": "^2.2.0",
         "@hookform/resolvers": "3.9.1",
         "@node-rs/argon2": "2.0.2",
         "@oslojs/crypto": "1.0.1",
@@ -74,6 +75,7 @@
         "lucide-react": "0.469.0",
         "moment": "2.30.1",
         "next": "15.2.4",
+        "next-intl": "^4.1.0",
         "next-themes": "0.4.4",
         "node-cache": "5.1.2",
         "node-fetch": "3.3.2",