**** Complex Credit Card React Project ****
Note :
* Card holder:
As a user, I want to change the name in the form
The name has a maximum length of 20 characters
As a user, I want to view the name
The name preview is all uppercase
* Valid thru :
As a user, I want to change the validThru in the form
The validThru value is in the format MM/YY
As a user, I want the / character to be typed automatically for me
As a user, I want to view the validThru
Then validThru preview is in the format MM/YY
The validThru preview has characters as placeholders for empty values
* Card number :
As a user, I want to change the card number in the form
The card number has a length of 16 characters