[Typescript] Mannequin API

[WorldTechSupport]

Summary
This feature enables users to use the Mannequin API to allow ZEPETO character to wear or sell items registered by creators in their world.

Intended Outcome
Currently users weren't able to leverage the Mannequin feature that is available in other worlds. This API will enable users to feature a mannequin in their world that will show an icon when a character moves into range, which when clicked will display a customizable UI with the items that the mannequin wears. The API will naturally feature the ability for users to change clothing within the world.

How will it work?
Users will be able to utilize the Mannequin feature through the Unity Inspector Settings of the Mannequin Component