Add XRPL favicon to XLS Standards website

Co-authored-by: mvadari <8029314+mvadari@users.noreply.github.com>

Author: Copilot

site/assets/favicon.ico

@@ -148,6 +148,14 @@ def build_site():
     else:
         raise FileNotFoundError(f"CSS file not found: {css_source}")
 
+    # Copy favicon
+    favicon_source = assets_dir / "favicon.ico"
+    favicon_dest = site_dir / "assets" / "favicon.ico"
+    if favicon_source.exists():
+        shutil.copy2(favicon_source, favicon_dest)
+    else:
+        print(f"Warning: Favicon not found: {favicon_source}")
+
     print(f"Site built successfully! Generated {len(xls_docs)} XLS documents.")
 
     # Count by status for reporting

site/build_site.py

@@ -15,6 +15,9 @@
     <!-- Dynamic page title - can be overridden by child templates -->
     <title>{% block title %}{{ title }}{% endblock %}</title>
 
+    <!-- Favicon -->
+    <link rel="icon" href="{{ base_url }}/assets/favicon.ico" type="image/x-icon">
+    
     <!-- Main stylesheet with XRPL.org themed styling -->
     <link rel="stylesheet" href="{{ base_url }}/assets/style.css">