Add support for factory_bot's default suffixed pattern (#59)

From ctran/annotate_models#994. Credit goes to
@meric426.

Author: drwl

lib/annotate_rb/model_annotator/pattern_getter.rb

@@ -142,6 +142,8 @@ def factory_files(root_directory)
           File.join(root_directory, FilePatterns::FACTORY_BOT_SPEC_DIR, "%TABLE_NAME%.rb"), # (new style)
           File.join(root_directory, FilePatterns::FACTORY_BOT_TEST_DIR, "%PLURALIZED_MODEL_NAME%.rb"), # (new style)
           File.join(root_directory, FilePatterns::FACTORY_BOT_SPEC_DIR, "%PLURALIZED_MODEL_NAME%.rb"), # (new style)
+          File.join(root_directory, FilePatterns::FACTORY_BOT_TEST_DIR, "%PLURALIZED_MODEL_NAME%_factory.rb"), # (new style)
+          File.join(root_directory, FilePatterns::FACTORY_BOT_SPEC_DIR, "%PLURALIZED_MODEL_NAME%_factory.rb"), # (new style)
           File.join(root_directory, FilePatterns::FABRICATORS_TEST_DIR, "%MODEL_NAME%_fabricator.rb"),
           File.join(root_directory, FilePatterns::FABRICATORS_SPEC_DIR, "%MODEL_NAME%_fabricator.rb")
         ]

spec/lib/annotate_rb/model_annotator/pattern_getter_spec.rb

@@ -88,6 +88,8 @@
           "spec/factories/%TABLE_NAME%.rb",
           "test/factories/%PLURALIZED_MODEL_NAME%.rb",
           "spec/factories/%PLURALIZED_MODEL_NAME%.rb",
+          "test/factories/%PLURALIZED_MODEL_NAME%_factory.rb",
+          "spec/factories/%PLURALIZED_MODEL_NAME%_factory.rb",
           "test/fabricators/%MODEL_NAME%_fabricator.rb",
           "spec/fabricators/%MODEL_NAME%_fabricator.rb"
         ])