Atualizar web/index.html

web/index.html

@@ -22,6 +22,9 @@
 <button onclick="shareConversation()">Share</button>
 <button onclick="exportMD()">Export MD</button>
 <button onclick="exportPDF()">Export PDF</button>
+<button onclick="exportPPTX()">Exportar PPTX</button>
+<button onclick="exportODP()">Exportar ODP</button>
+
 <input type="file" id="importFile" onchange="importFile()">
 
 <!-- Botões extras -->