docs: update favicon link to use absolute URL for consistency

Author: thalissonvs

public/index.html

@@ -32,7 +32,7 @@
     <link rel="preconnect" href="https://pydoll.tech/" />
 
     <!-- Favicon -->
-    <link rel="icon" type="image/png" href="/images/favicon.png" />
+    <link rel="icon" type="image/png" href="https://pydoll.tech/images/favicon.png" />
 
     <!-- Tailwind CSS via CDN -->
     <script src="https://cdn.tailwindcss.com"></script>