feat: add JDH Productions favicon and app icons

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>

Author: JerrettDavis

JdhPro.Web/wwwroot/favicon.png

@@ -26,6 +26,11 @@
             }
         })();
     </script>
+    <!-- Favicons -->
+    <link rel="icon" type="image/png" sizes="256x256" href="favicon.png">
+    <link rel="apple-touch-icon" sizes="512x512" href="icon-512.png">
+    <link rel="icon" type="image/png" sizes="512x512" href="icon-512.png">
+
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap" rel="stylesheet">