add readme

Eos.js

@@ -7,7 +7,7 @@ const ecc = require('eosjs-ecc'); //https://github.com/EOSIO/eosjs-ecc
 class Eos {
     constructor(nodes=[], private_keys=[]){
         console.log(`Eos initialize`)
-        this.nodes = nodes;
+        this.nodes = Array.isArray(nodes) ? nodes : [nodes];
         this.pks = Array.isArray(private_keys) ? private_keys : [private_keys];
         this.Serialize = Serialize;
         this.RpcError = RpcError;

README.md

@@ -1,2 +1,20 @@
 # eos
 eosjs wrapper that bundles eosjs eosjs-ecc
+
+## Install the dependencies
+```bash
+yarn add @piecesnbits/eos
+```
+or
+
+```bash
+npm install @piecesnbits/eos
+```
+
+```bash
+const {Eos} = require("@piecesnbits/eos");
+const eos = new Eos([/*rpc nodes*/], [/*optional private keys*/] );
+...
+eos.api.transact({actions: actions}, {blocksBehind: 3, expireSeconds: 300, broadcast: true});
+...
+```