docs: atualizar GitHub Pages para v1.2.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: nelsonduarte

docs/index.html

@@ -792,7 +792,7 @@ <h1>O editor de PDF que<br>respeita a tua <span>privacidade</span></h1>
 
         <p class="hero-sub">
             <a href="https://github.com/nelsonduarte/PDFApps">Ver código no GitHub</a>
-            &nbsp;&middot;&nbsp; v1.1.0
+            &nbsp;&middot;&nbsp; v1.2.0
         </p>
 
         <div class="hero-stats">