Update README.md template

Installation, Documentation and Support sections

Author: michalbundyra

README.md

@@ -8,5 +8,20 @@ zend-uri aids in manipulating and validating Uniform Resource Identifiers
 assist other components, such as zend-http, but is also useful as a standalone
 utility.
 
-- File issues at https://github.com/zendframework/zend-uri/issues
-- Documentation is at https://docs.zendframework.com/zend-uri/
+## Installation
+
+Run the following to install this library:
+
+```bash
+$ composer require zendframework/zend-uri
+```
+
+## Documentation
+
+Browse the documentation online at https://docs.zendframework.com/zend-uri/
+
+## Support
+
+* [Issues](https://github.com/zendframework/zend-uri/issues/)
+* [Chat](https://zendframework-slack.herokuapp.com/)
+* [Forum](https://discourse.zendframework.com/)