feat: add foundry deploy script

scripts/Deploy.s.sol

@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {Script, console2} from "forge-std/Script.sol";
+import {OverlayV1Token} from "../contracts/OverlayV1Token.sol";
+import {MINTER_ROLE, GOVERNOR_ROLE} from "../contracts/interfaces/IOverlayV1Token.sol";
+import {OverlayV1Factory} from "../contracts/OverlayV1Factory.sol";
+
+// 1. Set required environment variables: ETHERSCAN_API_KEY, DEPLOYER_PK, RPC.
+// 2. Deploy with:
+// $ source .env
+// $ forge script script/Deploy.s.sol:DeployScript --rpc-url $RPC --verify -vvvv --broadcast
+
+contract DeployScript is Script {
+    bytes32 constant ADMIN_ROLE = 0x00;
+
+    address constant GOV = 0x95f972fc4D17a0D343Cd5eaD8d6DCBef5606CA66;
+    address constant FEE_RECIPIENT = 0xDFafdfF09C1d63257892A8d2F56483588B99315A;
+
+    function run() external {
+        uint256 DEPLOYER_PK = vm.envUint("DEPLOYER_PK");
+        address deployer = vm.addr(DEPLOYER_PK);
+
+        vm.startBroadcast(DEPLOYER_PK);
+
+        // <!---- START DEPLOYMENT ---->
+
+        // 1. Deploy token contract
+        OverlayV1Token ovl = new OverlayV1Token();
+
+        // 2. Deploy factory contract
+        // Ref: https://docs.chain.link/data-feeds/l2-sequencer-feeds#available-networks
+        address sequencerOracle = 0xFdB631F5EE196F0ed6FAa767959853A9F217697D;
+        uint256 gracePeriod = 1 hours;
+        OverlayV1Factory factory = new OverlayV1Factory(
+            address(ovl),
+            FEE_RECIPIENT,
+            sequencerOracle,
+            gracePeriod
+        );
+
+        // 3. Grant factory admin role so that it can grant minter + burner roles to markets
+        ovl.grantRole(ADMIN_ROLE, address(factory));
+
+        // 4. Grant admin rights to governance
+        ovl.grantRole(ADMIN_ROLE, GOV);
+        ovl.grantRole(MINTER_ROLE, GOV);
+        ovl.grantRole(GOVERNOR_ROLE, GOV);
+
+        // 5. Renounce admin role so only governance has it
+        ovl.renounceRole(ADMIN_ROLE, deployer);
+
+        // <!-- END DEPLOYMENT -->
+
+        vm.stopBroadcast();
+    }
+}