refactor: move index.ts to /src and refactor imports/exports

[fraxken]

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[Copilot]

Pull Request Overview

This PR refactors the project structure by moving the main entry point from the root index.ts file to src/index.ts and updating all import/export statements accordingly.

• Relocated main entry point from root to src directory
• Updated all test files to import from new src location
• Refactored prompts module to use wildcard exports
• Updated build configuration and package.json exports

Reviewed Changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/index.ts	New main entry point with consolidated exports and functions
index.ts	Removed root-level entry point file
src/prompts/index.ts	Simplified exports using wildcard pattern
package.json	Updated build script and added type checking tool
test/ files	Updated import paths to reference new src location
test/helpers/testing-prompt.ts	Added generic type parameters to method signatures

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