Updated docs

.gitignore

@@ -3,3 +3,6 @@
 *~
 *.log
 node_modules
+*.env
+.DS_Store
+package-lock.json

README.md

@@ -1,9 +1,11 @@
+<!-- Please do not edit this file. Edit the `blah` field in the `package.json` instead. If in doubt, open an issue. -->
+
 
 [![gridly](http://i.imgur.com/kPrOESX.png)](http://ionicabizau.github.io/gridly/example/)
 
 # gridly
 
- [![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/gridly.svg)](https://www.npmjs.com/package/gridly) [![Downloads](https://img.shields.io/npm/dt/gridly.svg)](https://www.npmjs.com/package/gridly)
+ [![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/gridly.svg)](https://www.npmjs.com/package/gridly) [![Downloads](https://img.shields.io/npm/dt/gridly.svg)](https://www.npmjs.com/package/gridly)
 
 > The minimal (~100-170 bytes) grid system for modern browsers.
 
@@ -111,6 +113,7 @@ 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`