Question types

`checkbox_question`

User input: Choose zero to many options from a list of options.
Validation: Must be in the list of options.
Response: String containing comma-separated list of chosen options.

`country_select`

Options:
- exclude_countries: Optional. Array of countries to exclude from the list.
- include_uk: Optional. Boolean indicating whether to include 'united-kingdom' in the list.
- additional_countries: Optional. Array of countries to add to the list.
User input: Choose a single country.
Validation: Must be in the list of countries.
Response: String containing the chosen country.

`date_question`

User input: Choose a single date.
Validation: Must be a valid date.
Response: Date object.

`money_question`

User input: Enter a money amount.
Validation: Must be a number.
Response: Money object.

`multiple_choice`

User input: Choose a single option from a list of options.
Validation: Must be in the list of options.
Response: String containing the chosen option.
Can remove options.

`postcode_question`

User input: Enter a postcode.
Validation: Must be a valid postcode.
Response: String containing a normalised postcode (e.g. "wc2b6nh" becomes "WC2B 6NH").

`salary_question`

User input: Enter an Amount and associated Period.
Validation: Amount must be a valid Money object and Period must be one of 'year', 'month' or 'week'.
Response: Salary object.

`value_question`

Options:
- parse: Optional. One of Integer, :to_i, Float or :to_f
User input: Enter any text.
Validation (depends on the parse option):
- Integer: Must be a number.
- :to_i: Should be a number but non numbers are valid.
- Float: Must be a number.
- :to_f: Should be a number but non numbers are valid.
- <anything-else>: No validation.
Response (depends on the parse option):
- Integer: Integer.
- :to_i: Integer (Non-numeric input returns 0).
- Float: Float.
- :to_f: Float (Non-numeric input returns 0.0).
- <anything-else>: String containing the user input.