chore: fix all linting issues and optimize components

app/[locale]/page.tsx

@@ -67,12 +67,12 @@ export async function generateMetadata({
   let t;
   try {
     t = await getTranslations({ locale, namespace: 'Index.meta' });
-  } catch (err) {
+  } catch {
     // If translations for Index.meta are not present, try generic Index namespace
     try {
       t = await getTranslations({ locale, namespace: 'Index' });
-    } catch (e) {
-      t = (key: string) => '';
+    } catch {
+      t = () => '';
     }
   }