Add favicon and PWA icons

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: aivuk

android-chrome-192x192.png

@@ -4,6 +4,11 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Fuzue — Research Software Engineering</title>
+  <link rel="apple-touch-icon" sizes="180x180" href="apple-touch-icon.png">
+  <link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png">
+  <link rel="icon" type="image/png" sizes="16x16" href="favicon-16x16.png">
+  <link rel="manifest" href="site.webmanifest">
+  <link rel="shortcut icon" href="favicon.ico">
   <style>
     @font-face { font-family: 'Big Shoulders Display'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/BigShouldersDisplay-700.ttf') format('truetype'); }
     @font-face { font-family: 'Big Shoulders Display'; font-style: normal; font-weight: 900; font-display: swap; src: url('fonts/BigShouldersDisplay-900.ttf') format('truetype'); }

android-chrome-512x512.png

@@ -0,0 +1 @@
+{"name":"","short_name":"","icons":[{"src":"/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"/android-chrome-512x512.png","sizes":"512x512","type":"image/png"}],"theme_color":"#ffffff","background_color":"#ffffff","display":"standalone"}