feat: add 404 page (#145)

packages/translation/src/lang/en.ts

@@ -350,6 +350,10 @@ export default {
       afternoon: "Good afternoon, {username}",
       evening: "Good evening, {username}",
     },
+    notFound: {
+      title: "Not Found",
+      text: "Could not find requested resource",
+    },
     navbar: {
       items: {
         home: "Home",