Composer dependencies

composer.json

 {
 	"name": "monday-factory/php-code-checker",
-	"type": "library"
+	"type": "library",
+	"description": "Monday Factory coding standards",
+	"require-dev": {
+		"consistence/coding-standard": "^3.7",
+		"slevomat/coding-standard": "^4.8"
+	}
 }