Update requirements.txt

requirements.txt

@@ -1,5 +1,7 @@
-gradio>=4.0.0
-google-generativeai>=0.3.0
-duckduckgo-search>=3.8.0
-requests>=2.28.0
-beautifulsoup4>=4.11.0
+gradio>=4.0.0
+google-generativeai>=0.3.0
+ddgs>=3.8.0
+requests>=2.28.0
+beautifulsoup4>=4.11.0
+reportlab>=4.0.0
+markdown>=3.5.0