Proposed values to add to FieldworkTypeDescriptor

For the candidate/educator, the FieldworkTypeDescriptor values are proposed to be added, as they are going to be used for the TEA TPDM project, as below:

ShortDescription - Definition

Internship - First year teaching internship

Additional Internship - Additional year(s) of teaching internship after the first year

NONTCH - Practicum for Nonteacher candidates