text: Title: [Feature Request] Render table can add Grand Total
  Body: Thanks so much for your interest in Dash!
  
  Before posting an issue here, please check the Dash [community forum](https://community.plotly.com/c/dash) to see if the topic has already been discussed. The community forum is also great for implementation questions. When in doubt, please feel free to just post the issue here :)
  
  **Is your feature request related to a problem? Please describe.**
  Hey, i have ideal in visualized table, how to add grand total. It's a footer such as the column header. But it's calculate by column number in table.
  
  **Describe the solution you'd like**
  I encourage encountered when make a table very long and have pagination. So, how about add html or add a row grand total below table with pagination. 
  
  **Describe alternatives you've considered**
  It's helpful for me.
  
  ![image](https://github.com/plotly/dash/assets/26039338/ca4a9dce-fe15-4520-9708-b1d6c5205e63)
  
  