Prints the contents of a toml file in data

./target/release/tt

	bill_length_mm          island         species
	         <dbl>           <str>           <str>
		39.1 	"Torgersen" 	"Adelie" 
		39.5 	"Torgersen" 	"Adelie" 
		40.3 	"Torgersen" 	"Adelie" 
		nan 	"Torgersen" 	"Adelie" 
		36.7 	"Torgersen" 	"Adelie" 
		39.3 	"Torgersen" 	"Adelie" 
		38.9 	"Torgersen" 	"Adelie" 
		39.2 	"Torgersen" 	"Adelie" 
		34.1 	"Torgersen" 	"Adelie" 

Next steps

1. make cli to accept toml as argument
2. Make sure values are aligned with column header
3. Make sure nan is printed as NA with distinct red