- Implemented `gererateBunConfig` and `buildWithBun` functions for building projects with Bun.
- Added command-line interface using Commander for building projects.
- Removed Rollup-related code and configuration.
- Deleted unused config module.
- Updated TypeScript configuration to extend from a shared config.
- Added .npmrc for authentication tokens.
- Created bun.config.ts for Bun build configuration.
- Added README documentation for usage instructions.