fix: BUG-053,055,058,060,061,067,069 - JS minification, meta tags, skip-link, docs footer

- BUG-053: Add terser JS minification to build process
- BUG-060: Add og:image, twitter:card, twitter:image to sub-pages
- BUG-067: Update skip-link to #main-content on all pages

public/src/status.html

@@ -8,6 +8,9 @@
 <meta property="og:title" content="System Status — DocFast">
 <meta property="og:description" content="Real-time system status for the DocFast PDF API.">
 <meta property="og:url" content="https://docfast.dev/status">
+<meta property="og:image" content="https://docfast.dev/og-image.png">
+<meta name="twitter:card" content="summary_large_image">
+<meta name="twitter:image" content="https://docfast.dev/og-image.png">
 <link rel="canonical" href="https://docfast.dev/status">
 <link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>⚡</text></svg>">
 <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap" rel="stylesheet">
@@ -38,7 +41,7 @@
 
 {{> nav}}
 
-<main id="main">
+<main id="main-content">
   <div class="container">
     <div id="status-content" class="status-loading">Loading system status…</div>
   </div>