Add examples for menu choices

[caalberts]

Describe the change

What does this Pull Request do?

• Add examples for menu choices

Why are we doing this?

Any related context as to why is this is a desirable change.

• Most of the example code are followed by the output illustrating how the prompt would look like to the user. Having the examples for the first code example in menu choices would help to a potential user imagine the interaction.

Benefits

How will the library improve?

• It would be easier to use with more examples.

Drawbacks

Possible drawbacks applying this change.

• none

Requirements

Put an X between brackets on each line if you have done the item:
[] Tests written & passing locally?
[] Code style checked?
[x] Rebased with master branch?
[x] Documentation updated?

[caalberts]

@piotrmurach What do you think of this change?

[coveralls]

Coverage increased (+0.005%) to 97.571% when pulling 31ba72c on caalberts:caalberts-add-menu-choices-examples into f79196e on piotrmurach:master.

[coveralls]

Coverage decreased (-0.09%) to 97.476% when pulling 31ba72c on caalberts:caalberts-add-menu-choices-examples into f79196e on piotrmurach:master.

[piotrmurach]

Thank you! ❤️