Add runnable commands to compose.json

Author: Steveb-p

composer.json

@@ -3,6 +3,11 @@
   "type": "project",
   "minimum-stability": "beta",
   "homepage": "https://enqueue.forma-pro.com/",
+  "scripts": {
+    "cs-fix": "bin/php-cs-fixer fix --config=.php_cs.php",
+    "cs-lint": "bin/php-cs-fixer fix --config=.php_cs.php --no-interaction --dry-run --diff",
+    "phpstan": "bin/phpstan analyse --memory-limit=512M -c phpstan.neon"
+  },
   "require": {
     "php": "^7.1.3",
 

docs/contribution.md

@@ -21,6 +21,12 @@ composer install
 
 Once you did it you can work on a feature or bug fix.
 
+If you need, you can also use composer scripts to run code linting and static analysis:
+* For code style linting, run `composer run cs-lint`. Optionally add file names: 
+`composer run cs-lint pkg/null/NullTopic.php` for example.
+* You can also fix your code style with `composer run cs-fix`.
+* Static code analysis can be run using `composer run phpstan`. As above, you can pass specific files.
+
 ## Testing
 
 To run tests