Einheitliches AegisSight Favicon (SVG) auf allen Seiten

- favicon.svg (AegisSight Schild-Logo) hinzugefügt
- index.html + dashboard.html: PNG/ICO-Referenzen durch SVG ersetzt

src/static/dashboard.html

@@ -4,10 +4,8 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <script>(function(){var t=localStorage.getItem('osint_theme');if(t)document.documentElement.setAttribute('data-theme',t);try{var a=JSON.parse(localStorage.getItem('osint_a11y')||'{}');Object.keys(a).forEach(function(k){if(a[k])document.documentElement.setAttribute('data-a11y-'+k,'true');});}catch(e){}})()</script>
-    <link rel="icon" type="image/png" sizes="32x32" href="/static/favicon-32x32.png">
-    <link rel="icon" type="image/png" sizes="16x16" href="/static/favicon-16x16.png">
-    <link rel="apple-touch-icon" sizes="180x180" href="/static/apple-touch-icon.png">
-    <link rel="shortcut icon" href="/static/favicon.ico">
+    <link rel="icon" type="image/svg+xml" href="/static/favicon.svg">
+    <link rel="apple-touch-icon" href="/static/favicon.svg">
     <title>AegisSight Monitor</title>
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>