Adding base airdrop and auction smart contract

src/AA.sol

@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-3.0
+pragma solidity ^0.8.23;
+
+import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
+import { DCO2s } from "./DCO2s.sol";
+
+contract AA is Ownable {
+    DCO2s public dco2sc;
+
+    constructor(string memory name, string memory symbol) Ownable(msg.sender) {
+        dco2sc = new DCO2s(address(this),address(this), name, symbol); 
+    }
+}
+
+