[main] Improve project description (#7)

Author: TavoNiievez

README.md

@@ -1,7 +1,20 @@
 # Codeception Symfony Module Tests
+
+[![Actions Status](https://github.com/Codeception/symfony-module-tests/workflows/CI/badge.svg)](https://github.com/Codeception/symfony-module-tests/actions)
+
 Minimal site containing functional tests for [Codeception Module Symfony](https://github.com/Codeception/module-symfony).
 
-## Installation
+## Usage
+
+The main purpose of this project is to verify the proper functioning of the `Codeception Module Symfony` in a minimal Symfony installation.
+
+You can use it to contribute new features or propose changes in the module and verify that nothing is broken in the process.
+If that's your goal, be sure to follow [the contribution guides](https://github.com/Codeception/module-symfony/blob/master/CONTRIBUTING.md) for the module.
+
+You can also **fork it** and use it to reproduce a bug or unexpected behavior for analysis.
+If that's your case, just add a link to your fork next to the description of your issue in the module's repository.
+
+Lastly, if you just want to see the module in action and run the tests yourself on your local machine just:
 
 1. Clone the repo
    ```shell
@@ -18,7 +31,7 @@ Minimal site containing functional tests for [Codeception Module Symfony](https:
    php bin/console doctrine:fixtures:load --quiet
    ```
 
-## Usage
+Then, go to the project directory and run:
 
 ```shell
 vendor/bin/codecept run Functional