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

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

js/resolc/README.md

@@ -0,0 +1,17 @@
+# Usage from Node.js
+
+```typescript
+import { compile } from "@parity/resolc";
+const sources = {
+["contracts/1_Storage.sol"]: {
+    content: readFileSync("fixtures/storage.sol", "utf8"),
+}
+
+const out = await compile(sources);
+```
+
+# Usage from shell
+
+```bash
+ npx @parity/resolc@latest --bin contracts/1_Storage.sol
+```