Issue #3341789: Replace README.txt to README.md and update README.md

README.md

+# Address display
+
+Provides a address display format for displaying address. You can display
+address components which you want, change order using tabledrag widget.
+
+For a full description of the module, visit the
+[project page](https://www.drupal.org/project/address_display).
+
+Submit bug reports and feature suggestions, or track changes in the
+[issue queue](https://www.drupal.org/project/issues/address_display).
+
+
+## Table of contents
+
+- Requirements
+- Installation
+- Usage
+- Maintainers
+
+
+## Requirements
+
+This module requires the following modules:
+
+- [Address](https://www.drupal.org/project/address)
+
+
+## Installation
+
+Install via composer use
+`composer require 'drupal/address_display:^1.x'`
+
+Or
+
+Install as you would normally install a contributed Drupal module. For further
+information, see
+[Installing Drupal Modules](https://www.drupal.org/docs/extending-drupal/installing-drupal-modules).
+
+
+## Usage
+
+1. Add your address field to your entity
+2. Go to 'Manage display' tab and select 'Address Display' formatter.
+3. Select which components you want to display, change order and set yourdelimiter.
+
+ 
+## Maintainers
+
+- Szczepan Musial - [lamp5](https://www.drupal.org/u/lamp5)