added transform feature for confirm prompts

[hjain5164]

PR for the Feature request: Support for transformer function for confirm type #1207

The following changes are made:

• Updated the pizza.js file in the examples of confirm prompt.
• Added the transform default function to the Base class to extend this feature to other prompts if and when required. By default, it will return the value as is.
• Updated confirm.js file to allow support of transforming the output, if the user has provided a transformation function.
• Added a test case for this feature as well.

[SBoudrias]

Hey @hjain5164 thanks for sending a PR!

Would you mind updating the documentation as well?

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (500ff32) 73.00% compared to head (cd2b492) 73.00%.

❗ Current head cd2b492 differs from pull request most recent head 78e253b. Consider uploading reports for the commit 78e253b to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1212   +/-   ##
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  Coverage   73.00%   73.00%           
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  Files           8        8           
  Lines         163      163           
  Branches       26       26           
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  Hits          119      119           
  Misses         27       27           
  Partials       17       17           

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[hjain5164]

@SBoudrias Sure, I will update the documentation as well.

[hjain5164]

Hey, @SBoudrias made the changes in the documentation and refactored the code a little bit for better readability and scalability. Let me know if there are any more changes required.

[SBoudrias]

Thanks!