Function fiberplane_api_client::notebook_cells_append

pub async fn notebook_cells_append(
    client: &ApiClient,
    notebook_id: Base64Uuid,
    after: Option<&str>,
    before: Option<&str>,
    payload: Vec<Cell>
) -> Result<Vec<Cell>>

Append the given cells to the notebook. Any cells that have their ID missing will be set on the server.