feat: Add advanced contract performance profiling tools

[kingAkinwale]

• Enhanced profiler with memory tracking (MemoryPoint, MemoryMetrics, MemoryTracker)
• Added bottleneck identification (analyze_bottlenecks)
• Added performance regression detection (detect_regression)
• Added profiling comparison (compare_profiles)
• Added comprehensive performance dashboard (generate_dashboard)
• Added advanced-perf CLI commands: analyze, detect-regression, compare, generate-dashboard
• Added memory-profiling feature flag
• Added unit tests for new profiling functionality
• All 204 tests pass

Description

Brief description of what this PR does and why.

Closes #(issue number)

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Changes Made

• Change 1
• Change 2
• Change 3

Testing

How has this been tested?

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• Unit tests added/updated
• Integration tests added/updated
• Manual testing performed

Test Coverage

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• Happy path:
• Edge cases:
• Error handling:

Code Quality Checklist

• My code follows the style guidelines of this project (cargo fmt)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings (cargo clippy -- -D warnings)
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• The CI checks pass (format, clippy, tests)

Breaking Changes

• This PR introduces breaking changes

If checked, describe the breaking changes and migration path:

Documentation

• README.md updated
• DEVELOPER_GUIDE.md updated (if applicable)
• API_REFERENCE.md updated (if applicable)
• No documentation changes needed

Screenshots (if applicable)

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Additional Context

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Note: Make sure all tests pass locally before submitting:

cargo test
cargo fmt --all
cargo clippy -- -D warnings

closes #333

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