[Feature Request] Render table can add Grand Total about dash HOT 1 CLOSED

import dash_ag_grid as dag
from dash import Dash, html, Input, Output, Patch, callback
import pandas as pd

app = Dash(__name__)


df = pd.read_csv(
    "https://raw.githubusercontent.com/plotly/datasets/master/ag-grid/olympic-winners.csv"
)


app.layout = html.Div(
    [
        dag.AgGrid(
            id="row-pinning-bottom",
            rowData=df.to_dict("records"),
            columnDefs=[{"field": x} for x in ["country", "athlete", "year", "total"]],
            defaultColDef={"editable": True, "sortable": True, "resizable": True},
            columnSize="sizeToFit",
            dashGridOptions={"pagination": True},
        ),
    ],
)


@callback(
    Output("row-pinning-bottom", "dashGridOptions"),
    Input("row-pinning-bottom", "virtualRowData"),
)
def row_pinning_bottom(data):
    dff = df if data is None else pd.DataFrame(data)
    total = dff["total"].sum()
    pinned_data = [{"country": "Total", "total": total}]

    grid_option_patch = Patch()
    grid_option_patch["pinnedBottomRowData"] = pinned_data
    return grid_option_patch


if __name__ == "__main__":
    app.run(debug=True)