rugenere 0.2.1

Vigenère cipher tool written in rust that can encode, decode and store and read from files.
Documentation
name: rugenere
version: "1.0"
author: Bruno Anjos <bruno.vale.anjos@gmail.com>
about: Vigenére cipher encoder and decoder.
args:
    - input:
        help: file name to read content from
        short: i
        long: input
        takes_value: true
    - output:
        help: file name to write content to
        short: o
        long: output
        takes_value: true
    - mode:
        help: sets mode to encode or decode
        short: m
        long: mode
        required: true
        takes_value: true
        possible_values: [encode, decode]
    - key:
        help: key used to encode or decode the content
        required: true
        takes_value: true
        index: 1