SDK Changes:

• Moved to typescript - IMO for libraries, typescript is important. It allows us to create a type safe API for our users without relying on JSDoc too much, and better validation for ourselves on breaking changes and such.
• Moved from jest to vitest - jest is old an annoying, vitest works faster and more stable, less plugins and configurations needed.
• Implemented functions calling support. This works with direct axios response object to keep the same functionality as today.
• Simplified build config - simple ESM module, no rollup or umd. The lib will be used by other projects that will bundle it, currently we don't really need a UMD bundle for the SDK.