tried to fix favicon link

Author: HHMagnus

index.html

@@ -6,7 +6,7 @@
     <meta name="keywords" content="JPG to PNG, PNG to JPG, image converter, convert images, image conversion, WebAssembly, WASM, offline, privacy, secure, no upload, no cloud, no install">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="author" content="Magnus Hindborg Hovmann">
-    <link rel="icon" type="image/x-icon" href="/favicon.ico">
+    <link rel="icon" type="image/x-icon" href="./favicon.ico">
     <title>Offline Image Convert</title>
     <style>
     :root {