Feature : IL-Evm Optimization

[Demuirgos]

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Changes

• Add IL-VM mechanisms to Nethermind.EVM, with two modes :

• Contract analysis
• Pattern Mode : predefined patterns with custom handling
• JIT Mode : segmented contracts precompiling in cache

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• Bugfix (a non-breaking change that fixes an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a change that causes existing functionality not to work as expected)
• Optimization
• Refactoring
• Documentation update
• Build-related changes
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