Added warning to readme

Author: janbro

src/flashloan/README.md

@@ -9,10 +9,10 @@ This template is for getting started with attack PoCs which use flash loans. The
 
 | Network | Protocol | Library |
 | ---------- | -------- | ------------------------------------------------------- |
-| Ethereum | AAVEV1     | [AAVEV1FlashLoan](./lib/AAVEV1FlashLoan.sol) |
+| Ethereum | AAVEV1 ⚠️     | [AAVEV1FlashLoan](./lib/AAVEV1FlashLoan.sol) |
 | Ethereum | AAVEV2     | [AAVEV2FlashLoan](./lib/AAVEV2FlashLoan.sol) |
 | Ethereum | AAVEV3     | [AAVEV3FlashLoan](./lib/AAVEV3FlashLoan.sol) |
-| Ethereum | Euler      | [EulerFlashLoan](./lib/EulerFlashLoan.sol) |
+| Ethereum | Euler ⚠️     | [EulerFlashLoan](./lib/EulerFlashLoan.sol) |
 | Ethereum | Balancer   | [BalancerFlashLoan](./lib/BalancerFlashLoan.sol) |
 | Ethereum | MakerDAO   | [MakerDAOFlashLoan](./lib/MakerDAOFlashLoan.sol) |
 | Ethereum | UniswapV2  | [UniswapV2FlashLoan](./lib/UniswapV2FlashLoan.sol) |