Email validation for give feedback form

[jay412]

Task: 1) create backend method to check whether budgeter entered a valid email in the email address field 2) if incorrect email address format is entered, an alert box will be displayed prompting that the format is wrong 3) a submission will not be made if email address format is wrong

[jay412]

Task test: 1) navigate to give feedback page 2) enter incorrect email address format in email address field 3) click submit button 4) alert box prompting incorrect email address format should be shown

[kotinos]

tested. passed