Add PHP-CS-Fixer config

Author: JaZo

.php_cs.dist

@@ -0,0 +1,26 @@
+<?php
+
+$finder = PhpCsFixer\Finder::create()
+    ->in([
+        __DIR__.'/src',
+        __DIR__.'/tests',
+    ])
+;
+
+return PhpCsFixer\Config::create()
+    ->setRules([
+        '@Symfony' => true,
+        'binary_operator_spaces' => [
+            'align_equals' => false,
+            'align_double_arrow' => true,
+        ],
+        'array_syntax' => ['syntax' => 'short'],
+        'cast_spaces' => false,
+        'linebreak_after_opening_tag' => true,
+        'ordered_imports' => true,
+        'phpdoc_add_missing_param_annotation' => ['only_untyped' => false],
+        'phpdoc_order' => true,
+        'yoda_style' => null,
+    ])
+    ->setFinder($finder)
+;