Create README.md

Author: adamwojs

README.md

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+# php-cs-fixer-phpdoc-force-fqcn
+
+[php-cs-fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer) rule to force using FQCN (Fully-Qualified Class Name) in DocBlock comments. 
+
+## Usage
+
+In your .php_cs file: 
+
+```php
+<?php
+
+// PHP-CS-Fixer 2.x syntax
+return PhpCsFixer\Config::create()
+    // (1) Register \AdamWojs\PhpCsFixerPhpdocForceFQCN\Fixer\Phpdoc\ForceFQCNFixer fixer
+    ->registerCustomFixers([
+        new \AdamWojs\PhpCsFixerPhpdocForceFQCN\Fixer\Phpdoc\ForceFQCNFixer()
+    ])
+    ->setRules([
+        // ... 
+        // (2) Enable AdamWojs/phpdoc_force_fqcn_fixer rule
+        'AdamWojs/phpdoc_force_fqcn_fixer' => true,
+    ])
+    // ...
+    ;
+```