Merge pull request #39 from oceanprotocol/feature/dev-instructions

dev instructions

README.md

@@ -9,6 +9,7 @@
 [![js oceanprotocol](https://img.shields.io/badge/js-oceanprotocol-7b1173.svg)](https://github.com/oceanprotocol/eslint-config-oceanprotocol)
 [![css bigchaindb](https://img.shields.io/badge/css-bigchaindb-39BA91.svg)](https://github.com/bigchaindb/stylelint-config-bigchaindb)
 
+- [Prerequisites](#prerequisites)
 - [Get Started](#get-started)
 - [Production](#production)
 - [Testing](#testing)
@@ -17,6 +18,21 @@
 
 <img alt="screen shot 2019-02-08 at 16 53 57" src="https://user-images.githubusercontent.com/90316/52489283-27080e80-2bc2-11e9-8ec0-508c21eb86f7.png">
 
+## Prerequisites
+
+To make use of all the functionality, you need to connect to the Ocean network.
+
+For local development, you can spin up [`barge`](https://github.com/oceanprotocol/barge) to use a local network:
+
+```bash
+git clone git@github.com:oceanprotocol/barge.git
+cd barge
+
+./start_ocean.sh --latest --no-pleuston --local-spree-node
+```
+
+The default configuration of the client & server is to connect to this local network. Modify `./client/src/config.ts`, and `./server/src/config/config.ts` to change that.
+
 ## Get Started
 
 To spin up both, the client and the server in a watch mode for local development, execute:
@@ -26,7 +42,7 @@ npm install
 npm start
 ```
 
-This will run client and server in development mode.<br>
+This will run both, client and server in development mode.<br>
 Open [http://localhost:3000](http://localhost:3000) to view the client in the browser.
 
 The page will reload if you make edits to files in either `./client` or `./server`.