[WIP] Skybridge v3 → main

[creamwhip]

Skybridge V3 updates.
V3 includes the following updates:

• Solidity version updated to v0.8.19
• Removed Skypools logic and contracts/Params.sol
• Supported initial Liquidity setup when deploying contract [on the constructor params]
  • _initBTCFloat -- initial liquidity of BTC
  • _initWBTCFloat -- initial liquidity of WBTC
• Changed function interfaces
  • collectSwapFeesForBTC() --- A param _isUpdatelimitBTCForSPFlow2 has been removed
• Buyback sbBTC applied.
  • 25% of sbBTC rewards will be sent to _buybackAddress, which should be a DAO contract or the organization address.
• Added new function updateParams() to change some configs on the contract
  • _sbBTCPool needs to be updated when the sbBTC contract has been updated.
  • _buybackAddress needs to be updated when the buyback address has been changed.
  • _withdrawalFeeBPS needs to be updated when the LP token withdrawal fee has been changed.
  • _nodeRewardsRatio needs to be updated when the node rewards ratio [default: 66]
  • _buybackRewardsRatio needs to be updated when the buyback rewards ratio [default: 25]