Merged in feat/book-245-preferred-lang-redirect (pull request #2861)

Feat/book 245 preferred lang redirect

* added cookie to save preferredLang and middleware to route accordingly

* Cleaned up code, added noValidLang.ts middleware

* cleaned a little more

* Added headers in languageRedirect and set language cookie maxAge to 1 year


Approved-by: Linus Flood

apps/scandic-web/components/LanguageSwitcher/setLanguageCookie.ts

@@ -0,0 +1,9 @@
+"use server"
+import { cookies } from "next/headers"
+
+export async function setLanguageCookie(preferredLang: string) {
+  const cookieStore = await cookies()
+  cookieStore.set("preferredLang", preferredLang, {
+    maxAge: 60 * 60 * 24 * 365, // 1 year
+  })
+}