Updated the readme

readme.md

@@ -1,2 +1,42 @@
 # Symfony Scaleway TEM mailer
 
+## Installation
+
+You can install the package via composer with following command:
+
+```bash
+composer require korridor/symfony-scaleway-tem-mailer
+```
+
+## Usage examples
+
+### Laravel
+
+TODO
+
+## Contributing
+
+I am open for suggestions and contributions. Just create an issue or a pull request.
+
+### Local docker environment
+
+The `docker` folder contains a local docker environment for development.
+The docker workspace has composer and xdebug installed.
+
+```bash
+docker-compose run workspace bash
+```
+
+### Testing
+
+The `composer test` command runs all tests with [phpunit](https://phpunit.de/).
+The `composer test-coverage` command runs all tests with phpunit and creates a coverage report into the `coverage` folder.
+
+### Codeformatting/Linting
+
+The `composer fix` command formats the code with [php-cs-fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer).
+The `composer lint` command checks the code with [phpcs](https://github.com/squizlabs/PHP_CodeSniffer).
+
+## License
+
+This package is licensed under the MIT License (MIT). Please see [license file](license.md) for more information.