Fix readme and update license to match LICENSE file

Author: junderw

README.md

@@ -3,12 +3,26 @@
 
 [![NPM](https://img.shields.io/npm/v/bip32.svg)](https://www.npmjs.org/package/bip32)
 
-[![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+[![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
 
-A [BIP32](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki) compatible library.
+A [BIP32](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki) compatible library written in TypeScript with transpiled JavaScript committed to git.
 
 
 ## Example
+
+TypeScript
+
+``` typescript
+import * as bip32 from 'bip32';
+import { BIP32Interface } from 'bip32';
+let node: BIP32Interface = bip32.fromBase58('xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi');
+
+let child: BIP32Interface = node.derivePath('m/0/0');
+// ...
+```
+
+NodeJS
+
 ``` javascript
 let bip32 = require('bip32')
 let node = bip32.fromBase58('xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi')

package.json

@@ -53,7 +53,7 @@
     "typescript": "3.3.3333"
   },
   "author": "Daniel Cousens",
-  "license": "ISC",
+  "license": "MIT",
   "bugs": {
     "url": "https://github.com/bitcoinjs/bip32/issues"
   }