Adding a fuzzer for exploit generation

[mojtaba-eshghie]

[mojtaba-eshghie]

Tools, libraries, etc:

We might be able to work with a simpler one for instance sequence fuzzers:
Effectively Generating Vulnerable Transaction Sequences in Smart Contracts with Reinforcement Learning-guided Fuzzing

ityfuzz
Core algorithm of this fuzzer:
https://arxiv.org/abs/2306.17135

Grammar-based fuzzer on contract's ABI:
https://github.com/crytic/echidna