fix(Add player): #79 email duplicate

freeCodeCamp / league-for-good

An open source sports league management tool

BSD 3-Clause "New" or "Revised" License

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Closed fredwong-it closed 6 years ago

fredwong-it commented 6 years ago

add mongoose unique to email and display error message when email is duplicated during submission

fredwong-it commented 6 years ago

I am wondering if I need to fix all eslint error in order to create the pull request.