🔨 deployment script for the standard version

This script deploys the standard version of the library (without
precomputed points). Also this commit contains the `BaseScript` that
can be inherited from to have access to a custom but useful modifier.

script/BaseScript.sol

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.8.19 <0.9.0;
+
+import { Script } from "../lib/forge-std/src/Script.sol";
+
+abstract contract BaseScript is Script {
+    /// @notice this modifier can be used as a generic broadcast solution. It will automatically either:
+    ///        - use the private key provided as an environment variable to broadcast
+    ///        - or starts the hardware wallet flow if the correct flags are provided and the env variable is not set
+    modifier broadcast() {
+        uint256 privateKey = vm.envOr("PRIVATE_KEY", uint256(0));
+        privateKey != 0 ? vm.startBroadcast(privateKey) : vm.startBroadcast();
+
+        _;
+
+        vm.stopBroadcast();
+    }
+}

script/DeployEcdsa256r1.s.sol

@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >=0.8.19 <0.9.0;
+
+import "./BaseScript.sol";
+import { ECDSA256r1 } from "src/ECDSA256r1.sol";
+
+contract LibraryWrapper {
+    function verify(bytes32 message, uint256 r, uint256 s, uint256 qx, uint256 qy) external returns (bool) {
+        return ECDSA256r1.verify(message, r, s, qx, qy);
+    }
+}
+
+/// @notice This script deploys the ECDSA256r1 library
+contract MyScript is BaseScript {
+    function run() external broadcast returns (address addr) {
+        // deploy the library contract and return the address
+        addr = address(new LibraryWrapper());
+    }
+}
+
+/*
+
+    ℹ️ HOW TO USE THIS SCRIPT USING A LEDGER:
+    forge script script/DeployEcdsa256r1.s.sol:MyScript --rpc-url <RPC_URL> --ledger --sender <ACCOUNT_ADDRESS> \
+    [--broadcast]
+
+
+    ℹ️ HOW TO USE THIS SCRIPT WITH AN ARBITRARY PRIVATE KEY (NOT RECOMMENDED):
+    PRIVATE_KEY=<PRIVATE_KEY> forge script script/DeployEcdsa256r1.s.sol:MyScript --rpc-url <RPC_URL> [--broadcast]
+
+
+    ℹ️ HOW TO USE THIS SCRIPT ON ANVIL IN DEFAULT MODE:
+    forge script script/DeployEcdsa256r1.s.sol:MyScript --rpc-url http://127.0.0.1:8545 --broadcast --sender \
+    0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266 --mnemonics "test test test test test test test test test test test junk"
+
+
+    ℹ️ HOW TO CALL THE LIBRARY ONCE DEPLOYED:
+    cast call <CONTRACT_ADDRESS> verify(bytes32,uint256,uint256,uint256,uint256)" <MESSAGE> <R> <S> <QX> <QY>
+
+    example:
+        cast call 0x5fbdb2315678afecb367f032d93f642f64180aa3 \
+        "verify(bytes32,uint256,uint256,uint256,uint256)" \
+        0xbb5a52f42f9c9261ed4361f59422a1e30036e7c32b270c8807a419feca605023 \
+        19738613187745101558623338726804762177711919211234071563652772152683725073944 \
+        34753961278895633991577816754222591531863837041401341770838584739693604822390 \
+        18614955573315897657680976650685450080931919913269223958732452353593824192568 \
+        90223116347859880166570198725387569567414254547569925327988539833150573990206
+
+*/