Demo guide on running Uniswap V3 on PArSEC

See: docs/uniswap_demo/uniswap_demo.md

Signed-off-by: Alexander Jung <[email protected]>

Author: AlexRamRam

docs/uniswap_demo/MyTokens.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+
+contract WETHToken is ERC20 {
+    constructor(uint256 initialSupply) ERC20("Fake Wrapped ETH", "WETH") {
+        _mint(msg.sender, initialSupply);
+    }
+}
+
+contract WFOOToken is ERC20 {
+    constructor(uint256 initialSupply) ERC20("Foo Token", "WFOO") {
+        _mint(msg.sender, initialSupply);
+    }
+}
+
+contract WBARToken is ERC20 {
+    constructor(uint256 initialSupply) ERC20("Bar Token", "WBAR") {
+        _mint(msg.sender, initialSupply);
+    }
+}