add generateStaticParams function to support static generation

Author: pettinarip

app/[locale]/layer-2/page.tsx

@@ -20,6 +20,7 @@ import { BASE_TIME_UNIT } from "@/lib/constants"
 
 import Layer2Page from "./_components/layer-2"
 
+import { routing } from "@/i18n/routing"
 import { fetchGrowThePie } from "@/lib/api/fetchGrowThePie"
 import { fetchL2beat } from "@/lib/api/fetchL2beat"
 
@@ -79,6 +80,14 @@ const Page = async ({ params }: { params: Promise<{ locale: Lang }> }) => {
   )
 }
 
+export async function generateStaticParams() {
+  return routing.locales.map((locale) => ({
+    locale,
+  }))
+}
+
+export const dynamicParams = false
+
 export async function generateMetadata({
   params,
 }: {