Update Open Graph and Twitter image URLs

Author: VisualBean

docs/index.html

@@ -10,11 +10,11 @@
     <meta property="og:description" content="Sample-driven guide for extending the GUSTO job runner: start with the stock worker, then bolt on batching, continuations, cron scheduling, retries, observability, and testing helpers." />
     <meta property="og:type" content="website" />
     <meta property="og:url" content="https://github.com/ByteBardOrg/GUSTO" />
-    <meta property="og:image" content="https://github.com/ByteBardOrg/GUSTO/raw/main/assets/social-card.png" />
+    <meta property="og:image" content="https://github.com/ByteBardOrg/GUSTO/blob/main/docs/assets/social-card.png" />
     <meta name="twitter:card" content="summary_large_image" />
     <meta name="twitter:title" content="Do it with GUSTO" />
     <meta name="twitter:description" content="Guided scenarios for extending the GUSTO job runner with batching, continuations, cron, retries, observability, and testing techniques." />
-    <meta name="twitter:image" content="https://github.com/ByteBardOrg/GUSTO/raw/main/assets/social-card.png" />
+    <meta name="twitter:image" content="https://github.com/ByteBardOrg/GUSTO/blob/main/docs/assets/social-card.png" />
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;500&family=Bricolage+Grotesque:wght@600&family=Chivo:wght@500;600&family=IBM+Plex+Mono:wght@400;500&display=swap" rel="stylesheet">