adding errors to works

[lsat12357]

Descriptive summary

Using ActiveModel::Errors is not working as expected. After discussing with gillenc, implementing a small error class that uses redis to stash errors for a given work.

Expected behavior

Class will support adding errors associated with a keyword to a given work, displaying all errors for a given work, and removing errors with a keyword for a given work.

Related work

Link to related tickets or prior related work here.

Accessibility Concerns

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[lsat12357]

for QA see #3032

[wickr]

QA Pass. See #3032 (comment)