switch docblock to fluent interface

Author: nekufa

src/Plugins/DocBlock.php

@@ -49,6 +49,7 @@ public function register($class)
                 $this->mapRepository($name, $class);
             }
         }
+        return $this;
     }
 
     public function migrate()
@@ -116,6 +117,8 @@ public function migrate()
                 $space->addIndex(['id']);
             }
         }
+
+        return $this;
     }
 
     private $underscores = [];

tests/DockBlockTest.php

@@ -12,14 +12,12 @@ public function test()
         $mapper = $this->createMapper();
         $this->clean($mapper);
 
-        $orm = $mapper->addPlugin(Sequence::class);
-        $orm = $mapper->addPlugin(DocBlock::class);
-
-        $orm->register('Entities\\Post');
-        $orm->register('Entities\\Person');
-        $orm->register('Repositories\\Post');
-
-        $orm->migrate();
+        $sequence = $mapper->addPlugin(Sequence::class);
+        $mapper->addPlugin(DocBlock::class)
+            ->register('Entities\\Post')
+            ->register('Entities\\Person')
+            ->register('Repositories\\Post')
+            ->migrate();
 
         $nekufa = $mapper->create('person', [
             'name' => 'Dmitry.Krokhin'