- Added BytesLike type for handling various byte representations.
- Implemented LiteHashDRBG class for SHA-512 based deterministic random bit generator.
- Created RNG interface defining methods for random number generation.
- Developed RandUtil class providing utility functions for RNG operations.
- Added conversion functions for BytesLike to ArrayBuffer and Uint8Array.
- Implemented comprehensive tests for RNG functionality and expected behaviors.
- Configured Vitest for testing environment setup.
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