Update app.py

app.py

@@ -107,7 +107,7 @@ def build_full_html(markdown_text, styles, include_fontawesome):
     
     md_extensions = ['fenced_code', 'tables', 'codehilite']
     html_content = markdown.markdown(markdown_text, extensions=md_extensions, extension_configs={'codehilite': {'css_class': 'codehilite'}})
-    final_html_body = f'<div id="output-wrapper">{html_content}</div>'
+    final_html_body = f'<div id="output-wrapper"><meta charset="UTF-8">{html_content}</div>'
     
     fontawesome_link = '<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css">' if include_fontawesome else ""