feat: add all languages to metadata

Signed-off-by: ItsNeil17 <neil@willofsteel.me>

Author: ItsNeil17

src/app/[lang]/metadata.ts

@@ -8,9 +8,27 @@ export const metadata: Metadata = {
   alternates: {
     canonical: SITE_URL,
     languages: {
+      af: `${SITE_URL}/af-ZA`,
+      ar: `${SITE_URL}/ar-SA`,
+      de: `${SITE_URL}/de-DE`,
       en: `${SITE_URL}/en`,
-      fr: `${SITE_URL}/fr`,
-      de: `${SITE_URL}/de`,
+      es: `${SITE_URL}/es-ES`,
+      fr: `${SITE_URL}/fr-FR`,
+      hi: `${SITE_URL}/hi-IN`,
+      id: `${SITE_URL}/id-ID`,
+      it: `${SITE_URL}/it-IT`,
+      ja: `${SITE_URL}/ja-JP`,
+      lv: `${SITE_URL}/lv-LV`,
+      lt: `${SITE_URL}/lt-LT`,
+      nl: `${SITE_URL}/nl-NL`,
+      "pt-BR": `${SITE_URL}/pt-BR`,
+      "pt-PT": `${SITE_URL}/pt-PT`,
+      pl: `${SITE_URL}/pl-PL`,
+      ro: `${SITE_URL}/ro-RO`,
+      ru: `${SITE_URL}/ru-RU`,
+      tr: `${SITE_URL}/tr-TR`,
+      uk: `${SITE_URL}/uk-UA`,
+      vi: `${SITE_URL}/vi-VN`,
     },
   },