New EAD import field mappings, refs #12172
New EAD import field mappings, refs #12172

Add new mappings of EAD fields to Archivist's Notes.

EAD import nodes being added to ead.yml (map to Archivist's Notes):
- filedesc/titlestmt/author[@encodinganalog='245$c']
- filedesc/publicationstmt/p

artefactual/atom,artefactual/atom,artefactual/atom