feat: Add foundry environment and CI

foundry/lib/forge-std/test/compilation/CompilationScript.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+pragma experimental ABIEncoderV2;
+
+import "../../src/Script.sol";
+
+// The purpose of this contract is to benchmark compilation time to avoid accidentally introducing
+// a change that results in very long compilation times with via-ir. See https://github.com/foundry-rs/forge-std/issues/207
+contract CompilationScript is Script {}

foundry/lib/forge-std/test/compilation/CompilationScriptBase.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+pragma experimental ABIEncoderV2;
+
+import "../../src/Script.sol";
+
+// The purpose of this contract is to benchmark compilation time to avoid accidentally introducing
+// a change that results in very long compilation times with via-ir. See https://github.com/foundry-rs/forge-std/issues/207
+contract CompilationScriptBase is ScriptBase {}

foundry/lib/forge-std/test/compilation/CompilationTest.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+pragma experimental ABIEncoderV2;
+
+import "../../src/Test.sol";
+
+// The purpose of this contract is to benchmark compilation time to avoid accidentally introducing
+// a change that results in very long compilation times with via-ir. See https://github.com/foundry-rs/forge-std/issues/207
+contract CompilationTest is Test {}

foundry/lib/forge-std/test/compilation/CompilationTestBase.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.2 <0.9.0;
+
+pragma experimental ABIEncoderV2;
+
+import "../../src/Test.sol";
+
+// The purpose of this contract is to benchmark compilation time to avoid accidentally introducing
+// a change that results in very long compilation times with via-ir. See https://github.com/foundry-rs/forge-std/issues/207
+contract CompilationTestBase is TestBase {}