Fix hard-coded URL

webroot/index.php

@@ -4,7 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Xytriza's Uploading Service</title>
-    <link rel="icon" href="https://upload.xytriza.com/assets/logo.png" type="image/png">
+    <link rel="icon" href="/assets/logo.png" type="image/png">
     <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Poppins:wght@400&display=swap">
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css">
     <style>
@@ -177,7 +177,7 @@
 <body>
     <div id="top-bar">
         <a href="/" class="logo">
-            <img src="https://upload.xytriza.com/assets/logo.png" alt="Xytriza's Uploading Service">
+            <img src="/assets/logo.png" alt="Xytriza's Uploading Service">
         </a>
         <div class="nav-links">
             <?php