初步实现插件系统

util/base_plugin.py

@@ -0,0 +1,7 @@
+class BasePlugin:
+    def __init__(self, plugin_name, title):
+        self.plugin_name = plugin_name
+        self.title = title
+
+    def run_plugin(self, callback):
+        raise NotImplementedError("Subclasses must implement run_plugin method")