Feat: add pike finance

[LouisTsai-Csie]

Ran 1 test for src/test/PikeFinance_exp.sol:PikeFinance
[PASS] testExploit() (gas: 66444)
Logs:
   Attacker ETH Balance Before exploit: 0.000000000000000000
   Attacker ETH Balance After exploit: 479.393838338750964434