chore: import upstream snapshot with attribution

UmiOCR-data/py_src/plugins_controller/plugins_connector.py

@@ -0,0 +1,16 @@
+# =============================================
+# =============== 插件管理连接器 ===============
+# =============================================
+
+from PySide2.QtCore import QObject, Slot, Signal
+
+from .plugins_controller import PluginsController
+
+
+# 插件连接器
+class PluginsConnector(QObject):
+    # 初始化插件，返回字典：
+    # {"options": ["ocr":{"key":成功加载的插件的配置}], "errors": {"key": "失败信息"} }
+    @Slot(result="QVariant")
+    def init(self):
+        return PluginsController.init()