chore: add config files for each chain

scripts/config/ArbMainnet.config.sol

@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+library ArbMainnetConfig {
+    // ---------------- PROTOCOL ADDRESSES ----------------
+    address constant V1_FACTORY = 0x0000000000000000000000000000000000000000;
+}

scripts/config/ArbSepolia.config.sol

@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+library ArbSepoliaConfig {
+    // ---------------- PROTOCOL ADDRESSES ----------------
+    address constant V1_FACTORY = 0x0000000000000000000000000000000000000000;
+}

scripts/state/Deploy.s.sol

@@ -4,24 +4,24 @@ pragma solidity ^0.8.0;
 import {Script, console2} from "forge-std/Script.sol";
 import {IOverlayV1Factory} from "@overlay-protocol/v1-core/contracts/interfaces/IOverlayV1Factory.sol";
 import {OverlayV1State} from "contracts/OverlayV1State.sol";
+import {ArbSepoliaConfig} from "scripts/config/ArbSepolia.config.sol";
+import {ArbMainnetConfig} from "scripts/config/ArbMainnet.config.sol";
 
 // 1. Set required environment variables: ETHERSCAN_API_KEY, DEPLOYER_PK, RPC.
-// 2. Run with:
+// 2. Update the config file for the network you are deploying to.
+// 3. Run with:
 // $ source .env
 // $ forge script scripts/state/Deploy.s.sol:DeployScript --rpc-url $RPC --verify -vvvv --broadcast
 
 contract DeployScript is Script {
-    // TODO: update values as needed
-    address constant FACTORY = 0x8cCD181113c7Ae40f31D5e8178a98A1A60B55c4C;
-
     function run() external {
         uint256 DEPLOYER_PK = vm.envUint("DEPLOYER_PK");
 
         vm.startBroadcast(DEPLOYER_PK);
 
         // <!---- START DEPLOYMENT ---->
 
-        OverlayV1State state = new OverlayV1State(IOverlayV1Factory(FACTORY));
+        OverlayV1State state = new OverlayV1State(IOverlayV1Factory(ArbSepoliaConfig.V1_FACTORY));
 
         // <!-- END DEPLOYMENT -->