Finish ENSIP-19 integration

src/L2/ReverseRegistrarShim.sol

@@ -0,0 +1,27 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.8.23;
+
+import {IReverseRegistrar} from "./interface/IReverseRegistrar.sol";
+import {IL2ReverseResolver} from "./interface/IL2ReverseResolver.sol";
+
+contract ReverseRegistrarShim {
+    address public immutable reverseRegistrar;
+    address public immutable reverseResolver;
+    address public immutable l2Resolver;
+
+    constructor(address reverseRegistrar_, address reverseResolver_, address l2Resolver_) {
+        reverseRegistrar = reverseRegistrar_;
+        reverseResolver = reverseResolver_;
+        l2Resolver = l2Resolver_;
+    }
+
+    function setNameForAddrWithSignature(
+        address addr,
+        string calldata name,
+        uint256 signatureExpiry,
+        bytes memory signature
+    ) external returns (bytes32) {
+        IReverseRegistrar(reverseRegistrar).setNameForAddr(addr, msg.sender, l2Resolver, name);
+        return IL2ReverseResolver(reverseResolver).setNameForAddrWithSignature(addr, name, signatureExpiry, signature);
+    }
+}