Move @parity/resolc from js-revive (#296)

- Move npm package from paritytech/js-revive 
- Rename package to `@parity/resolc`

js/resolc/fixtures/bad_pragma.sol

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-3.0
+pragma solidity ^9999;
+
+/**
+ * @title Storage
+ * @dev Store & retrieve value in a variable
+ * @custom:dev-run-script ./scripts/deploy_with_ethers.ts
+ */
+contract BadPragma {
+}

js/resolc/fixtures/storage.sol

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-3.0
+pragma solidity >=0.8.2 <0.9.0;
+
+/**
+ * @title Storage
+ * @dev Store & retrieve value in a variable
+ * @custom:dev-run-script ./scripts/deploy_with_ethers.ts
+ */
+contract Storage {
+
+    uint256 number;
+
+    /**
+     * @dev Store value in variable
+     * @param num value to store
+     */
+    function store(uint256 num) public {
+        number = num;
+    }
+
+    /**
+     * @dev Return value 
+     * @return value of 'number'
+     */
+    function retrieve() public view returns (uint256){
+        return number;
+    }
+}

js/resolc/fixtures/storage_bad.sol

@@ -0,0 +1,26 @@
+// missing license and pragama
+/**
+ * @title Storage
+ * @dev Store & retrieve value in a variable
+ * @custom:dev-run-script ./scripts/deploy_with_ethers.ts
+ */
+contract Storage {
+
+    uint256 number;
+
+    /**
+     * @dev Store value in variable
+     * @param num value to store
+     */
+    function store(uint256 num) public {
+        number = num;
+    }
+
+    /**
+     * @dev Return value 
+     * @return value of 'number'
+     */
+    function retrieve() public view returns (uint256){
+        return number;
+    }
+}

js/resolc/fixtures/token.sol

@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: MIT
+// Compatible with OpenZeppelin Contracts ^5.0.0
+pragma solidity ^0.8.22;
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
+import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol";
+
+contract MyToken is ERC20, Ownable, ERC20Permit {
+    constructor(address initialOwner)
+        ERC20("MyToken", "MTK")
+        Ownable(initialOwner)
+        ERC20Permit("MyToken")
+    {
+        _mint(msg.sender, 100 * 10 ** decimals());
+    }
+
+    function mint(address to, uint256 amount) public onlyOwner {
+        _mint(to, amount);
+    }
+}
+