Given a tonic and a chord list with leadsheet symbols notation, return the chord list with roman numeral notation
toRomanNumerals("C", ["CMaj7", "Dm7", "G7"]);// => ["IMaj7", "IIm7", "V7"] Copy
toRomanNumerals("C", ["CMaj7", "Dm7", "G7"]);// => ["IMaj7", "IIm7", "V7"]
Given a tonic and a chord list with leadsheet symbols notation, return the chord list with roman numeral notation