put "fill the safe value first, then show best score" example back to Get started page

[franceslinyc]

The following are removed from filtro.qmd. A new PR is needed to isolate the problem for GitHub Action CI check for windows.

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We can also fill the safe value first, then apply any of the filtering methods.

# Fill safe value, then show best score
# ames_aov_pval_res |> fill_safe_value() |> show_best_score_prop(prop_terms = 0.2)
ames_aov_pval_res <- ames_aov_pval_res |> fill_safe_value()
ames_aov_pval_res |> show_best_score_prop(prop_terms = 0.2)