Add support for GNU Readline to the command line executable

[coredumperror]

Is your feature request related to a problem? Please describe.

When you're inputting user-provided options on the command line, if you make a typo, you can't go back and fix it using the arrow keys, as pressing the Left arrow key causes ^[[D to be printed to the screen, instead of moving the cursor left. Same for Up (^[[A), Down (^[[B) and Right (^[[C).

Describe the solution you'd like

I assume the fix for this would be to compile the cookiecutter executable with GNU Readline support.