Instance - support keyword search fields

Purpose/Overview:
The purpose of this story is to allow the user a keyword search across multiple fields by simply providing the term in the search box or by specifying which field needs to be searched.

Requirements/Scope:
1. Case insensitive
2. Word match in following Inventory Instance fields:

• series (array of strings)

• identifiers (all) (array of objects)

• electronicAccess (array of objects)

3. Supports search in other than English languages (including CKJ languages, Arabic, Hebrew)

Approach:

Acceptance criteria:

• Supports full text search

• Query returns accurate hit count

• User can search by any word that is a part of the field's value

• Results are ranked based on term frequency, inverse document frequency and field length

• Stemming according with configured on the tenant language tokenizers

Outside the scope
*UI work

• AND, OR, NESTING

• title (string) - MSEARCH-16

• alternativeTitles (array of objects) - MSEARCH-16

• indexTitle (string) - MSEARCH-16

• contributors (array of objects) - MSEARCH-17

• publication.publisher (string) - MSEARCH-18

• subject (array of strings) - MSEARCH-19

• classifications (array of objects) - MSEARCH-20

• notes (array of objects) public - MSEARCH-21

• notes (array of objects) - staff only - MSEARCH-21

• tags (array of objects) – MSEARCH-23

Additional Information:
Inventory Instance schema: https://github.com/folio-org/mod-inventory-storage/blob/master/ramls/instance.json
Honeysuckle bugfest environment: https://bugfest-honeysuckle.folio.ebsco.com/