Refactored code to fix nesting in src/client/register.js

[Mohtelsayed]

This pull request resolves #1 as it now includes code that will suggest a username to the user if they have chosen an already taken username.

[coveralls]

Pull Request Test Coverage Report for Build 10837259131

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.003%) to 82.674%

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Files with Coverage Reduction	New Missed Lines	%
src/meta/errors.js	1	83.72%

Totals
Change from base Build 10805636900:	0.003%
Covered Lines:	22323
Relevant Lines:	25582

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💛 - Coveralls