Merge pull request #20 from nemtech/dgarcia360-patch-1

Added installation README

Author: Grégory Saive

README.md

@@ -16,6 +16,10 @@ with the NEM2 (a.k.a Catapult)
 - NodeJS 9.X.X
 - NodeJS 10.X.X
 
+## Installation
+
+```npm install nem2-sdk rxjs```
+
 ## Documentation and Getting Started
 
 Get started and learn more about nem2-sdk-typescript-javascript, check the [official documentation][docs].
@@ -47,4 +51,4 @@ Licensed under the [Apache License 2.0](LICENSE)
 [self]: https://github.com/nemtech/nem2-sdk-typescript-javascript
 [docs]: http://nemtech.github.io/getting-started/setup-workstation.html
 [issues]: https://github.com/nemtech/nem2-sdk-typescript-javascript/issues
-[sdk-ref]: http://nemtech.github.io/nem2-sdk-typescript-javascript
+[sdk-ref]: http://nemtech.github.io/nem2-sdk-typescript-javascript