CREATE FILE: ${HOME}/famous-gophers.csv
INSIDE FILE(famous-gophers.csv):
Mac, 1947, The Goofy Gophers
Tosh, 1947, The Goofy Gophers
Samuel J. Gopher, 1966, Winnie the Pooh
Chief Running Board, 1968, Go Go Gophers
Ruffled Feathers, 1968, Go Go Gophers
BUILD: go build -o csv2json .
RUN: ./csv2json -infile ${HOME}/famous-gophers.csv
REFERENCE: https://github.com/kelseyhightower/intro-to-go-workshop/blob/master/labs/docs/csv2json_cli.md