fix: usar favicon.svg y habilitar custom.js para botón Login

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docmd.config.js

@@ -12,7 +12,7 @@ module.exports = {
     alt: 'DO CLOUD Logo',
     href: './',
   },
-  favicon: 'assets/favicon.png',
+  favicon: 'assets/favicon.svg',
 
   // Features - DESACTIVAR MERMAID para rendimiento
   search: false,
@@ -37,8 +37,8 @@ module.exports = {
     customCss: ['assets/custom.css'],
   },
 
-  // Custom JS - vacío para no cargar scripts innecesarios
-  customJs: [],
+  // Custom JS - botón Login y Zammad form
+  customJs: ['assets/custom.js'],
 
   // Navigation
   navigation: [