Introduce BFT module

[shuse2]

LIP

• Research Forum: Introduce bft module
• Add weights to Lisk-BFT consensus protocol

Description

Create BFT module following the updated modular on-chain architecture. The BFT module is responsible for handling and verifying state changes for Lisk BFT consensus algorithm.

Tasks

• Bootstrap BFT module with class definition, schema and constants #6743
• Implement util functions for BFT module #6747
• Add API for BFT module #6744
• Implement BFT module afterBlockExecution hook #6746
• Remove BFT library #6633
• Update "getCurrentValidators" API #6809
• Update aggregate commit verification in bft module #6887
• Implement BFT module afterGenesisBlockExecute hook #6745