Add comprehensive GlideRecord performance optimization techniques

[ashvin2005]

• Advanced batch processing with chunked operations and memory management
• Indexed field query optimization for maximum database performance
• Query performance comparison framework with automated testing
• Best practices for large dataset processing and pagination
• Performance monitoring tools and analysis utilities
• Memory-efficient operations and transaction management
• Real-world examples with detailed documentation and use cases

PR Description:

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Pull Request Checklist

Overview

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Code Quality

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