Update README.md

Author: kamilkisiela

README.md

@@ -3,6 +3,8 @@ FormlyMaterial
 
 Material Design Templates for [Angular-Formly](http://angular-formly.com). Modern & flexible forms configured easily in a JSON object.
 
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 **Chat**
 
 [![Join the chat at https://gitter.im/formly-js/angular-formly-templates-material](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/formly-js/angular-formly-templates-material?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
@@ -19,6 +21,11 @@ Material Design Templates for [Angular-Formly](http://angular-formly.com). Moder
 [![Coverage Status](https://coveralls.io/repos/formly-js/angular-formly-templates-material/badge.svg?branch=master&service=github)](https://coveralls.io/github/formly-js/angular-formly-templates-material?branch=master)
 [![Codacy Badge](https://api.codacy.com/project/badge/grade/a2cd4c7c2d74467281e309a65be49e8f)](https://www.codacy.com/app/mys-sterowiec/angular-formly-templates-material)
 
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+Table of contents
+-----------------
+
 - [Install](#install)
 - [Getting Started](#getting-started)
 - [Requests?](#requests)
@@ -29,6 +36,8 @@ Material Design Templates for [Angular-Formly](http://angular-formly.com). Moder
 - [Common settings](#common-settings)
   - [Theme](#theme-string)
 
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 Install
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@@ -104,4 +113,6 @@ Common settings
 
 Value of md-theme used on field
 
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 Requests (?). Post an issue.