Updated docs

Author: IonicaBizau

.gitignore

@@ -4,5 +4,3 @@
 *.log
 node_modules
 *.env
-.DS_Store
-package-lock.json

README.md

@@ -1,11 +1,10 @@
 <!-- Please do not edit this file. Edit the `blah` field in the `package.json` instead. If in doubt, open an issue. -->
 
-
 [![image-to-ascii](http://i.imgur.com/pKydY5P.png)](#)
 
 # image-to-ascii
 
- [![Support me on Patreon][badge_patreon]][patreon] [![Buy me a book][badge_amazon]][amazon] [![PayPal][badge_paypal_donate]][paypal-donations] [![Ask me anything](https://img.shields.io/badge/ask%20me-anything-1abc9c.svg)](https://github.com/IonicaBizau/ama) [![Version](https://img.shields.io/npm/v/image-to-ascii.svg)](https://www.npmjs.com/package/image-to-ascii) [![Downloads](https://img.shields.io/npm/dt/image-to-ascii.svg)](https://www.npmjs.com/package/image-to-ascii)
+ [![Support me on Patreon][badge_patreon]][patreon] [![Buy me a book][badge_amazon]][amazon] [![PayPal][badge_paypal_donate]][paypal-donations] [![Version](https://img.shields.io/npm/v/image-to-ascii.svg)](https://www.npmjs.com/package/image-to-ascii) [![Downloads](https://img.shields.io/npm/dt/image-to-ascii.svg)](https://www.npmjs.com/package/image-to-ascii)
 
 > A Node.JS module that converts images to ASCII art.
 
@@ -50,15 +49,20 @@ In order to run the `webcam.sh` provided in the `example` folder, you will also
 ```sh
 # Ubuntu
 $ sudo apt-get install streamer
+
+# CentOS / RHEL
+$ sudo yum install --enablerepo epel GraphicsMagick
 ```
 
+
 To run the script just use:
 
 ```sh
 sh webcam.sh
 ```
 
 
+
 ## :question: Get Help
 
 There are few ways to get help:
@@ -145,7 +149,6 @@ this takes time. You can integrate and use these projects in your applications *
 However, if you get some profit from this or just want to encourage me to continue creating stuff, there are few ways you can do it:
 
  - Starring and sharing the projects you like :rocket:
- - [![Buy me a book][badge_amazon]][amazon]—I love books! I will remember you after years if you buy me one. :grin: :book:
  - [![PayPal][badge_paypal]][paypal-donations]—You can make one-time donations via PayPal. I'll probably buy a ~~coffee~~ tea. :tea:
  - [![Support me on Patreon][badge_patreon]][patreon]—Set up a recurring monthly donation and you will get interesting news about what I'm doing (things that I don't share with everyone).
  - **Bitcoin**—You can send me bitcoins at this address (or scanning the code below): `1P9BRsmazNQcuyTxEqveUsnf5CERdq35V6`