Merged in feature/refactor-lang (pull request #387)

feat: SW-238 Avoid prop drilling of lang

Approved-by: Michael Zetterberg

app/[lang]/(live)/not-found.tsx

@@ -1,6 +1,10 @@
 import { getIntl } from "@/i18n"
+import { setLang } from "@/i18n/serverContext"
 
-export default async function NotFound() {
+import { LangParams, PageArgs } from "@/types/params"
+
+export default async function NotFound({ params }: PageArgs<LangParams>) {
+  setLang(params.lang)
   const { formatMessage } = await getIntl()
   return (
     <main>