fix: add missing SEO to About and Contact pages

- Add keywords, canonical, OpenGraph to About page
- Refactor Contact page to server component with generateMetadata
- Create ContactPageClient for form functionality
- All pages now have complete SEO coverage

src/app/[locale]/about/page.tsx

@@ -3,18 +3,42 @@ import Header from "@/components/layout/Header";
 import Footer from "@/components/layout/Footer";
 import { getPageMetadata } from "@/lib/i18n/pageMetadata";
 import { isValidLocale, DEFAULT_LOCALE, type Locale } from "@/lib/i18n/locales";
+import { getPageKeywords } from "@/lib/seo/keywords";
+import { Metadata } from "next";
+
+const baseUrl = process.env.NEXT_PUBLIC_SITE_URL || "https://dev.manoonoils.com";
 
 interface AboutPageProps {
   params: Promise<{ locale: string }>;
 }
 
-export async function generateMetadata({ params }: AboutPageProps) {
+export async function generateMetadata({ params }: AboutPageProps): Promise<Metadata> {
   const { locale } = await params;
   const validLocale = isValidLocale(locale) ? locale : DEFAULT_LOCALE;
   const metadata = getPageMetadata(validLocale as Locale);
+  const keywords = getPageKeywords(validLocale as Locale, 'about');
+  
+  const localePrefix = validLocale === DEFAULT_LOCALE ? "" : `/${validLocale}`;
+  const canonicalUrl = `${baseUrl}${localePrefix}/about`;
+  
   return {
     title: metadata.about.title,
     description: metadata.about.description,
+    keywords: [...keywords.primary, ...keywords.secondary].join(', '),
+    alternates: {
+      canonical: canonicalUrl,
+    },
+    openGraph: {
+      title: metadata.about.title,
+      description: metadata.about.description,
+      type: 'website',
+      url: canonicalUrl,
+    },
+    twitter: {
+      card: 'summary',
+      title: metadata.about.title,
+      description: metadata.about.description,
+    },
   };
 }