Add Push3Interpreter and a simple test.

script/Counter.s.sol

@@ -1,19 +1,19 @@
-// SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.13;
+/* // SPDX-License-Identifier: UNLICENSED */
+/* pragma solidity ^0.8.13; */
 
-import {Script, console} from "forge-std/Script.sol";
-import {Counter} from "../src/Counter.sol";
+/* import {Script, console} from "forge-std/Script.sol"; */
+/* import {Counter} from "../src/Counter.sol"; */
 
-contract CounterScript is Script {
-    Counter public counter;
+/* contract CounterScript is Script { */
+/*     Counter public counter; */
 
-    function setUp() public {}
+/*     function setUp() public {} */
 
-    function run() public {
-        vm.startBroadcast();
+/*     function run() public { */
+/*         vm.startBroadcast(); */
 
-        counter = new Counter();
+/*         counter = new Counter(); */
 
-        vm.stopBroadcast();
-    }
-}
+/*         vm.stopBroadcast(); */
+/*     } */
+/* } */