seo improvement and updated notifs

src/pages/AboutPage.tsx

@@ -1,6 +1,14 @@
 import { Link } from 'react-router-dom'
+import { usePageMeta } from '../hooks/usePageMeta'
 
 export default function AboutPage() {
+  usePageMeta({
+    title: 'About — Grateful Journal',
+    description: 'Learn about Grateful Journal — a free, end-to-end encrypted daily gratitude journal. No ads, no tracking, no social feed. Just you and your thoughts.',
+    canonical: 'https://gratefuljournal.online/about',
+    ogTitle: 'About Grateful Journal',
+    ogDescription: 'A free, private gratitude journal with end-to-end encryption. Learn how we built a distraction-free space for your daily reflection practice.',
+  })
   return (
     <div className="static-page">
       <header className="static-page__header">