v0.26.2 http sink backlog for late streams, web updates

internal/sink/http/web/view.html

@@ -7,6 +7,7 @@
 <meta name="logwisp-status" content="status">
 <meta name="logwisp-login" content="scram">
 <link rel="stylesheet" href="style.css">
+<link rel="icon" href="favicon.svg" type="image/svg+xml">
 <script type="module" src="view.js"></script>
 </head>
 <body class="viewer">