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

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

js/emscripten/examples/node/run_revive.js

@@ -0,0 +1,38 @@
+const { compile } = require("./revive.js");
+
+const compilerStandardJsonInput = {
+  language: "Solidity",
+  sources: {
+    "MyContract.sol": {
+      content: `
+          // SPDX-License-Identifier: UNLICENSED
+          pragma solidity ^0.8.0;
+          contract MyContract {
+            function greet() public pure returns (string memory) {
+              return "Hello";
+            }
+          }
+        `,
+    },
+  },
+  settings: {
+    optimizer: {
+      enabled: true,
+      runs: 200,
+    },
+    outputSelection: {
+      "*": {
+        "*": ["abi"],
+      },
+    },
+  },
+};
+
+async function runCompiler() {
+  let output = await compile(compilerStandardJsonInput);
+  console.log("Output: " + output);
+}
+
+runCompiler().catch((err) => {
+  console.error("Error:", err);
+});