feat: install uniswap v4-core as submodule

Author: euler-mab

.gitmodules

@@ -10,3 +10,9 @@
 [submodule "lib/ethereum-vault-connector"]
 	path = lib/ethereum-vault-connector
 	url = https://github.com/euler-xyz/ethereum-vault-connector
+[submodule "lib/lib/v4-core"]
+	path = lib/lib/v4-core
+	url = https://github.com/Uniswap/v4-core.git
+[submodule "lib/v4-core"]
+	path = lib/v4-core
+	url = https://github.com/Uniswap/v4-core.git

lib/v4-core

@@ -3,4 +3,5 @@ evc/=lib/ethereum-vault-connector/src/
 evk/=lib/euler-vault-kit/src/
 ethereum-vault-connector/=lib/ethereum-vault-connector/src/
 evk-test/=lib/euler-vault-kit/test/
-permit2/=lib/euler-vault-kit/lib/permit2/
+permit2/=lib/euler-vault-kit/lib/permit2/
+@uniswap/v4-core/=lib/v4-core/src/

remappings.txt

@@ -5,6 +5,7 @@ import {IEVC} from "evc/interfaces/IEthereumVaultConnector.sol";
 import {IEVault} from "evk/EVault/IEVault.sol";
 import {IEulerSwapPeriphery} from "./interfaces/IEulerSwapPeriphery.sol";
 import {IERC20, IEulerSwap, SafeERC20} from "./EulerSwap.sol";
+import "@uniswap/v4-core/libraries/FullMath.sol";
 
 contract EulerSwapPeriphery is IEulerSwapPeriphery {
     using SafeERC20 for IERC20;