Add Farmer registration

[coreyar]

The mobile app needs a registration form for farmers to sign up. The fields and validation for the registration form are listed in the table below.

Field	Type	Validation
First Name	TextInput	Required
Last Name	TextInput	Required
Phone	Number	Valid Phone number
Email	Number	Valid Email
Location	Address Fields	Required
Organic	Boolean	Required
Availability to schedule pickup (day of the week)	Multiple choice (M/T/W/Th/F/Sa/Su)	Required
Availability to schedule pickup (time of day )	Multiple choice (morning/ afternoon/ evening)	Required