feat: first announcement

src/pages/404.tsx

@@ -14,8 +14,7 @@ const NotFound: React.FC<PageProps<unknown, PageContext>> = ({
   pageContext
 }) => (
   <Layout location={location} heroSection={false}>
-    <Seo title="Page Not Found" />
-    <Section color="black" bgColor="white" bottomArrow={false}>
+        <Section color="black" bgColor="white" bottomArrow={false}>
       <SideBar
         pageContext={pageContext}
         location={location}
@@ -26,3 +25,5 @@ const NotFound: React.FC<PageProps<unknown, PageContext>> = ({
 )
 
 export default NotFound
+
+export const Head = () => <Seo title="Page Not Found" />