chore: add newline to end of command line help text (#361)
chore: add newline to end of command line help text (#361)

Without this, when you run `nexe --help` in a terminal, your shell prompt will be on the same line as `option can be used more than once`.
nexe/nexe,nexe/nexe,crcn/nexe,jaredallard/nexe,crcn/nexe,jaredallard/nexe