Issue #3321858: Switch to README.md

Issue #3321858: Switch to README.md

README.md

-CONTENTS OF THIS FILE
----------------------
+# CONTENTS OF THIS FILE
 
- * Introduction
- * Configuration
- * Usage
- * Installation
- * Maintainers
+ - Introduction
+ - Configuration
+ - Usage
+ - Installation
+ - Maintainers
 
 
-INTRODUCTION
-------------
+## INTRODUCTION
 
 This module is helpful if you have any custom functionality based on the assigned multiple roles
 
@@ -19,33 +17,29 @@ The module creates a custom 'active_role' field and a block with a role switcher
 
 The form allows user to switch their active role
 
-CONFIGURATION
--------------
+## CONFIGURATION
 
 A configuration form is available for customizing and styling the form
 
-Path: admin/config/active-role-settings
+Path: `admin/config/active-role-settings`
 
 
-Usage:
-------
+## Usage
 
 Active role field will be available in user entity and can be used in views, themes etc.
 
 So that any custom views and altered theme would be there based on the selected active role
 
 
-INSTALLATION
-------------
+## INSTALLATION
 
 Install as you would normally install a contributed Drupal module. See:
-https://drupal.org/documentation/install/modules-themes/modules-8 for further
+(https://drupal.org/documentation/install/modules-themes/modules-8) for further
 information.
 
 
-MAINTAINERS
------------
+## MAINTAINERS
 
 Current maintainers:
- * Pankaj Gupta - https://www.drupal.org/u/pankajg
+ - Pankaj Gupta - https://www.drupal.org/u/pankajg