Update api.ts, fix & augment museum types

[zikeji]

Solves #461.

[Copilot]

Pull Request Overview

This PR improves TypeScript typing for SkyBlock museum data and other API objects by replacing unknown types with more specific indexed object types. The changes enhance type safety and provide better development experience when working with museum items and various API response objects.

Key changes:

• Replace numerous unknown types with { [key: string]: unknown } for better type safety
• Create new augmented types specifically for SkyBlock museum members and items
• Add changelog configuration for tracking type improvements

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
src/types/api.ts	Replaces unknown types with indexed object types across multiple API interfaces
src/types/AugmentedTypes.ts	Updates museum response type to use new augmented museum member type
src/types/Augmented/SkyBlock/Museum.ts	Defines new types for museum items and members with proper structure
package.json	Adds changelog section for tracking API type coverage improvements

[zikeji-s-semantic-releaser]

🎉 This PR is included in version 4.1.6 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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