[N/A] Add a sign up form

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[N/A] Finish User sign up

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Merge branch 'feature/sign-up' into develop
[N/A] Add a Sessions controller and sign in page

Reviewed by N/A
[N/A] Handle invalid sign in criterias

Reviewed by N/A
[N/A]	Finish user sign in

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[N/A] Complete user sign in and sign out

Reviewed by N/A
Merge branch 'feature/sign-in-out' into develop