docs: create README file

Author: MessiasLima

README.md

@@ -0,0 +1,13 @@
+# node-packagekit
+node-packagekit is a library to integrate [packageKit](https://www.freedesktop.org/software/PackageKit/) with node applications.
+## Installation
+### Using NPM
+```shell
+$ npm install packagekit
+```
+### Using yarn
+```shell 
+$ yarn add packagekit
+```
+## How to use it
+(work in progress)