fix (seo): favicon url

Author: firestar300

index.html

@@ -33,8 +33,8 @@
     <link rel="canonical" href="https://firestar300.github.io/SVG-Path-Merger/">
 
     <!-- Favicon -->
-    <link rel="icon" type="image/png" href="/favicon.png">
-    <link rel="apple-touch-icon" href="/favicon.png">
+    <link rel="icon" type="image/png" href="https://firestar300.github.io/SVG-Path-Merger/favicon.png">
+    <link rel="apple-touch-icon" href="https://firestar300.github.io/SVG-Path-Merger/favicon.png">
 
     <!-- JSON-LD Structured Data -->
     <script type="application/ld+json">