Update edit form page and improve additional email deletion
Add integration tests for creating additional emails
Create a .gitattributes file to establish a default for line endings across platforms and machines
Update render argument to rails shorshorthand. Long form is being deprecrated
Update additional email tests to check database changes and refresh line endings
Add functionality to press enter and add a new email from the additional email input field
Update AdditionalEmail form to keep emails in place instead of appending them to the table