update readme file to give more information

Author: Florian Engelhardt

README.md

@@ -1,18 +1,32 @@
 # GraphQL API on top of Microservices
 
-... written in PHP
+This is just a port from Node.js/Express to PHP/ReactPHP for Chris Norings article on building a [Serverless GraphQL API on top of a Microservice architecture](https://dev.to/azure/learn-how-you-can-build-a-serverless-graphql-api-on-top-of-a-microservice-architecture-233g).
 
-## Quickstart example
+## Getting Started
+
+These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. 
+
+### Prerequisites
+
+You need to have `docker` and `docker-compose` up and running on your local machine.
+
+## Installing
 
 ```bash
-$ make
-$ docker-compose up -d
-$ curl -X POST \
+git clone https://github.com/flow-control/php-graphql-microservice.git
+cd php-graphql-microservice
+make
+docker-compose up -d
+curl -X POST \
        -H "Content-Type: application/json" \
        --data '{ "query": "{ product (id:1) { id name } }" }' \
        localhost:8000
 ```
 
+## Build With
+
+- [ReactPHP](https://reactphp.org/)
+
 ## License
 
 MIT, see [LICENSE file](LICENSE).