[13-0013] Code Assessment for Scott Winters

[scottmwinters]

• Fork GitHub - BravoLT/candidate-sample-java: sample application to be used for candidate screening for validating java skills
• Create Payment Controller
• Create Payment Retrieve GET API
• Create Payment Service
• Create Payment Repository
• Ensure Retrieve API is Working (screenshots)
• Write jUnit to Test Implementation
• Raise PR into Original Repository when done (share screenshots)

Note, this only includes [13-0013] - [backend] add payment method retrieve api, it does not include the full implementation of Payments as per the other tickets.