Update README.md

Author: lganzzzo

client-binance.com/README.md

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+# binance.com websocket client
+
+Client for binance.com public WebSocket APIs. Built with oat++ (AKA oatpp) web framework.
+
+See more:
+
+- [Oat++ Website](https://oatpp.io/)
+- [Oat++ Github Repository](https://github.com/oatpp/oatpp)
+- [Get Started With Oat++](https://oatpp.io/docs/start)
+
+## Overview
+
+This websocket client connects to stream.binance.com, listens to events and prints data to log-output.
+
+Listeners are implemented for the following streams:
+
+- Aggregate Trade Streams
+- Trade Streams
+- Kline/Candlestick Streams
+
+*more detailes on binance.com API [here](https://github.com/binance-exchange/binance-official-api-docs/blob/master/web-socket-streams.md)*
+
+### Project layout
+
+```
+|- CMakeLists.txt                         // projects CMakeLists.txt
+|- src/
+|    |
+|    |- Model.hpp                         // DTOs for binance.com API models
+|    |- AggregateTradesListener.hpp       // WebSocket listener for AggregateTrades streams
+|    |- TradesListener.hpp                // WebSocket listener for Trades streams
+|    |- KlineCandlestickListener.hpp      // WebSocket listener for Kline/Candlestick streams
+|    |- WSEventListener.hpp               // Template listener for stream objects. Deserialize received message to an event object.
+|    |- WSListener.hpp                    // Base WebSocket listener. Implements "pongs" and reads messages.
+|    |- App.cpp
+|
+|- utility/install-oatpp-modules.sh       // utility script to install required oatpp-modules.  
+```
+
+## Build and Run
+
+### Using CMake
+
+**Requires** 
+- MbedTLS installed - see [install mbedtls](#install-mbedtls). 
+- [oatpp](https://github.com/oatpp/oatpp), [oatpp-websocket](https://github.com/oatpp/oatpp-websocket), 
+and [oatpp-mbedtls](https://github.com/oatpp/oatpp-mbedtls) modules installed. You may run `utility/install-oatpp-modules.sh` 
+script to install required oatpp modules.
+
+```
+$ mkdir build && cd build
+$ cmake ..
+$ make 
+$ ./ws-client-binance.com-exe       # - run application.
+```
+
+## Install MbedTLS
+
+```bash
+git clone -b 'mbedtls-2.16.1' --single-branch --depth 1 --recurse-submodules https://github.com/ARMmbed/mbedtls
+
+cd mbedtls
+mkdir build && cd build
+
+cmake ..
+make install
+```
+