Rust tokenizer and normalize unicode spaces is implemented

[tkaunlaky-e6]

##Summary

• Enable Rust tokenizer (sqlglotrs) for improved SQL parsing performance
• Add ASCII fast path optimization for normalize_unicode_spaces providing 1200x speedup
• Add ENABLE_UNICODE_NORMALIZATION feature flag for per-request control
• Update Docker configuration with Rust toolchain

Docker Changes

• Install Rust toolchain via rustup for building sqlglotrs
• Add maturin for Python-Rust binding compilation
• Build and install sqlglotrs wheel during image creation
• Set environment variables to enable Rust tokenizer by default
• Container now includes both Python and Rust tokenizer capabilities

Performance Improvements

• ASCII queries (95%): 12ms → 0.01ms with fast path optimization
• Unicode normalization now skips ASCII-only strings entirely
• Rust tokenizer provides faster parsing for complex queries

[gauravdawar-e6]

remove print statements. Add logger for errors