Updated plugin system. /JL

test_plugin/example_plugin.json

@@ -0,0 +1,6 @@
+{
+    "name": "Example Plugin",
+    "version": "1.0",
+    "module": "example_plugin",
+    "description": "An example plugin that prints a message."
+}

test_plugin/example_plugin.py

@@ -1,6 +1,17 @@
-from plugin_system import PluginInterface
+from xtendr import XtendRBase
 
-class ExamplePlugin(PluginInterface):
-    def execute(self, *args, **kwargs):
-        print("ExamplePlugin executed with args:", args, "and kwargs:", kwargs)
-        return "Execution complete!"
+class ExamplePlugin(XtendRBase):
+    """Example plugin implementation.
+    
+    Example:
+    >>> plugin = ExamplePlugin()
+    >>> plugin.run()
+    ExamplePlugin is running!
+    >>> plugin.stop()
+    ExamplePlugin has stopped!
+    """
+    def run(self):
+        print("ExamplePlugin is running!")
+    
+    def stop(self):
+        print("ExamplePlugin has stopped!")