Add start command

perxis/extensions/bootstrap.py

@@ -51,6 +51,8 @@ def bootstrap(
         #                 f"Изменилась версия расширения {ext_descriptor.extension} ({ext.version} -> {ext_descriptor.version})"
         #             )
 
+        register_extension.start()
+
         with grpc.insecure_channel(content_host) as content_channel:
             intercepted_content_channel = grpc.intercept_channel(content_channel, interceptor)