Added HangeulRomaniser.Services project.
Added NuGet packages for test.
Added test methods to combine characters and split letter.
Refactored romaniser service.
Added romanise method.
Added romaniser method to consider multiple letters in one test string, as well as containing only initial, medial or final.
Added bulk romanising method.
Added console app project.
Updated corresponding roman characters for finals.
Updated readme.md.
Updated README.md.
Updated readme.md.