refactor: 将plugin_init脚本移至根目录下

Author: colorful3

app/plugins/oss/info.py

@@ -1,2 +1,3 @@
+__name__ = 'oss'
 __version__ = '0.0.1'
 __author__ = 'Lin team'

app/plugins/poem/app/__init__.py

@@ -12,6 +12,9 @@ def initial_data():
 
     app = create_app()
     with app.app_context():
+        data = Poem.query.limit(1).all()
+        if data:
+            return
         with db.auto_commit():
             # 添加诗歌
             img_url = 'http://yanlan.oss-cn-shenzhen.aliyuncs.com/gqmgbmu06yO2zHD.png'