Names with numbers should not be accepted

[Lin-Shuang-Shuang]

When this command is used: add n/LinS4233424S p/98765432 e/johnd@example a/John street, block 123, #01-01 T/ r/Manager no error message is shown but there should be because names should not have numbers inside.

[soc-pe-bot]

Team's Response

We don't want to overly restrict the users in inputting names. Some people may want to add numbers to their names.

Items for the Tester to Verify

:question: Issue response

Team chose [response.NotInScope]

• [ ] I disagree

Reason for disagreement: [replace this with your explanation]

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