add index.d.ts to package.json, update readme

Author: smart-ex

README.md

@@ -1,6 +1,6 @@
 # Tornado.cash token (TORN) [![Build Status](https://github.com/tornadocash/torn-token/workflows/build/badge.svg)](https://github.com/tornadocash/torn-token/actions) [![npm](https://img.shields.io/npm/v/torn-token)](https://www.npmjs.com/package/torn-token)
 
-## Dependencies
+## Requirements
 
 1. node 12
 2. yarn
@@ -11,3 +11,6 @@
 $ yarn
 $ yarn test
 ```
+
+## Licence
+MIT

package.json

@@ -1,13 +1,19 @@
 {
   "name": "torn-token",
-  "version": "1.0.7",
+  "version": "1.0.8",
   "main": "config.js",
   "repository": "https://github.com/tornadocash/torn-token.git",
   "author": "Tornadocash team <hello@tornado.cash>",
   "license": "MIT",
+  "keywords": [
+    "web3",
+    "ethereum",
+    "solidity"
+  ],
   "files": [
     "config.js",
-    "contracts/*"
+    "contracts/*",
+    "index.d.ts"
   ],
   "types": "index.d.ts",
   "scripts": {