feat: use `toString` and `toJSON` methods

[DanieliusDev]

Package

guilded.ts

Description

Use toString to make make a few shortcuts when working with strings. Here are what toString can be used for:

• Make mentions for structures such as User and ServerMember (e.g. ${user} -><@userId>)
• Get the name of a structure (e.g. ${server} -> server name)

Use toJSON to return the raw JSON provided by the Guilded API.

Solution

Include in v0.21.0.

Alternative Solutions

No response