feat: Update readme

templates/contact.html

@@ -6,8 +6,8 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no">
     <title>Contact | HNSAU</title>
     <meta name="theme-color" content="#ffffff">
-    <link rel="canonical" href="https://hns.au/contact.html">
-    <meta property="og:url" content="https://hns.au/contact.html">
+    <link rel="canonical" href="https://hns.au/contact">
+    <meta property="og:url" content="https://hns.au/contact">
     <meta name="twitter:description" content="Handshake Australia; The leading hub for Australians leveraging the decentralized web, powered by Handshake.">
     <meta name="twitter:image" content="https://hns.au/assets/img/HNSAU-social.webp">
     <meta name="twitter:title" content="HNS AU">