Feat(Entity-Page): Ability to add existing entity via relationship

[tr1ten]

Problem

Relevant Ticket BB-652: * Link entity * Buttons

Solution

1. Create routes to update entity relationships
2. Add those entity which can be linked by relationship like editions to a work.

Preview

Pending Tasks

• Adding Editions in Work
• Adding Works in Edition
• Adding tests for relationship routes

Areas of Impact

entity routes, entity-table, entity page, entity route utils etc