feat: Add validation of preventing signing up from anonymous mail domains

[codingmickey]

Notes for Reviewers

Blocking signing up from the following domains:

• duck.com
• anodady.me
• protonmail.com
• tuta.io

The list can be expanded in the future by just adding more domains in this regex

https://github.com/codingmickey/play/blob/e809dcefef7a10c3d3c7e93f473d78e0be3a310a/site/src/components/SignupForm/index.js#L19

This PR fixes #123

If any changes are required do let me know!

Signed commits

• Yes, I signed my commits.

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[leecalcote]

@codingmickey will you confirm that mutli-word first and last names, whether with whitespace or hyphenations is allowed?

[leecalcote]

I'm removing other reviewers, who have yet to offer feedback.

[leecalcote]

@codingmickey thanks for this. Will you please address the other concern regarding multi-word names?

Will you ensure that the layer5.io forms follow this same approach?

[leecalcote]

@codingmickey Build failure:

5:19:29 PM: src/components/SignupForm/index.js
5:19:29 PM:   Line 50:9:  'errorRole' is assigned a value but never used                                                                                                                                                                                   no-unused-vars
5:19:29 PM:   Line 66:6:  React Hook useEffect has a missing dependency: 'onSubmit'. Either include it or remove the dependency array. If 'onSubmit' changes too often, find the parent component that defines it and wrap that definition in useCallback  react-hooks/exhaustive-deps

[codingmickey]

@codingmickey thanks for this. Will you please address the other concern regarding multi-word names?

Sure I can work upon that..

Will you ensure that the layer5.io forms follow this same approach?

Aye aye

[codingmickey]

@codingmickey Build failure:

5:19:29 PM: src/components/SignupForm/index.js
5:19:29 PM:   Line 50:9:  'errorRole' is assigned a value but never used                                                                                                                                                                                   no-unused-vars
5:19:29 PM:   Line 66:6:  React Hook useEffect has a missing dependency: 'onSubmit'. Either include it or remove the dependency array. If 'onSubmit' changes too often, find the parent component that defines it and wrap that definition in useCallback  react-hooks/exhaustive-deps

Oops these didn't occur on my local, sorry about it.. will update and make a new pr

[leecalcote]

@codingmickey will you consider an update to support this special character issue in the registration forms? - ā