Updated plugin system. /JL

example.py

@@ -0,0 +1,21 @@
+from xtendr.xtendr import XtendR
+
+if __name__ == "__main__":
+    """Example usage of the PluginSystem.
+    
+    Example:
+    >>> system = XtendR()
+    >>> system.attach("example_plugin")
+    Attached plugin 'example_plugin'.
+    >>> system.run("example_plugin")
+    ExamplePlugin is running!
+    >>> system.stop("example_plugin")
+    ExamplePlugin has stopped!
+    >>> system.detach("example_plugin")
+    Detached plugin 'example_plugin'.
+    """
+    system = XtendR()
+    system.attach("example_plugin")  # Assuming 'example_plugin/plugin_info.json' exists
+    system.run("example_plugin")
+    system.stop("example_plugin")
+    system.detach("example_plugin")