ui: deploy compact obfuscator favicon

Use the compact SVG favicon in the template, improve muted-text contrast, and bump the application version.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

site/templates/index.html

@@ -8,7 +8,8 @@
   <meta http-equiv="Pragma" content="no-cache">
   <meta http-equiv="Expires" content="0">
   <title>Obfuscator — обфускация документов</title>
-  <link rel="icon" type="image/svg+xml" href="/static/favicon.svg">
+  <link rel="icon" type="image/svg+xml"
+    href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='57' height='57' xml:space='preserve' overflow='hidden'><defs><clipPath id='c0'><rect x='652' y='420' width='64' height='75'/></clipPath><clipPath id='c1'><rect x='652' y='420' width='64' height='70'/></clipPath></defs><g clip-path='url(%23c0)' transform='matrix(1.01357 0 0 1.01357 -664.97 -440.306)'><g clip-path='url(%23c1)'><path d='m114.028 43.149v7.659c0 3.785-3.08 6.863-6.866 6.863h-21.825c-3.786 0-6.866-3.08-6.866-6.864v-2.528l0.056.009V15.815l-10.382 2.013 0.004 3.877v28.971c0 9.481 7.713 17.192 17.187 17.192l21.836.132c9.474 0 17.187-7.712 17.187-17.193v-2.654l0.027.004V15.815l-10.382 2.012 0.028 25.322z' fill='%23001c34' fill-rule='evenodd' transform='matrix(1 0 0 1.01337 587.92 420.059)'/></g></g></svg>">
   <style>
     @font-face {
       font-family: 'Ubuntu';
@@ -25,7 +26,7 @@
       --bg: #f8f9fa;
       --card: #ffffff;
       --text: #001c34;
-      --muted: #6c757d;
+      --muted: #1f384d;
       --red: #dc3545;
       --green: #198754;
     }