Added an installation section (LeaVerou#17129)

* Added an installation section

* Installation section added

Author: RandallFlagg

README.md

@@ -8,6 +8,26 @@ http://leaverou.github.io/awesomplete/
 
 Awesomplete is an ultra lightweight, customizable, simple autocomplete widget with zero dependencies, built with modern standards for modern browsers.
 
+## Installation
+There are a few ways to obtain the needed files.
+Here are 2 of them:
+1. CDN server
+
+```sh
+https://cdnjs.com/libraries/awesomplete
+```
+
+2. Another way to get up and running is by using `yarn` or `npm`:
+
+```sh
+yarn add awesomplete
+```
+
+```sh
+npm install awesomplete --save
+```
+
+More information about the npm package can be found [here](https://www.npmjs.com/package/awesomplete).
 
 ## Basic Usage