Add screenshots and install instructions

Change-Id: Ibfede12d700924b7b3b01af5f3a3624f21a93862

README.md

@@ -7,3 +7,28 @@ This project is built using [react-admin](https://marmelab.com/react-admin/).
 Use `yarn install` after cloning this repo.
 
 Use `yarn start` to launch the webserver.
+
+
+## Step-By-Step install:
+
+You have two options:
+
+   1. Download the source code from github and run using nodejs
+   2. Run the Docker container
+
+Steps for 1):
+
+- make sure you have installed the following: git, yarn, nodejs
+- download the source code: `git clone https://github.com/Awesome-Technologies/synapse-admin.git`
+- change into downloaded directory: `cd synapse-admin`
+- download dependencies: `yarn install`
+- start web server: `yarn start`
+
+Steps for 2):
+
+- run the Docker container: `docker run -p 8080:80 awesometechnologies/synapse-admin`
+- browse to http://localhost:8080
+
+## Screenshots
+
+![Screenshots](./screenshots.jpg)