Update app.py

app.py

@@ -34,7 +34,7 @@ def generate_video():
             line = raw_lines[i].strip()
         
             # Check if it's a heading
-            if (line.startswith('**') or line.startswith('### **'))  and (line.endswith('?**') or line.endswith(':**')):
+            if (line.startswith('#') or line.startswith('**') or line[0].isnumeric())  and (line.endswith('?**') or line.endswith(':**') or line.endswith('?') or line.endswith(':')):
                 heading = line
                 i += 1