feat: Implement RabitQ

[VoVAllen]

A new and simple quantization method shows strong performance.

It's the variant of binary quantization:

• The query vector can be quantized into multiple bits instead of single bit to improve the accuracy
• Computation has theoretical guarantee

Reference: https://github.com/gaoj0017/RaBitQ https://arxiv.org/abs/2405.12497

[VoVAllen]

• Identify the precomputation part
• Implement the distance for L2 square
• Implement the distance for dot product and cosine distance
• Implement fast scan distance computation