Local Contexts on Collection

[lamtu1]

FEATURE: Add local contexts field into the metadata of the collection page.

TO-DO:

• [x] Add in the metadata into the collection form
• [x] Check to see if the LC exist in @collection
• [x] Hook it up to the display to present the LC

[lamtu1]

fixes #3029

[jsimic]

@CGillen Local Contexts is an organization, plural: https://localcontexts.org/