Add docstring for init request manager

src/primaite/simulator/file_system/file_system.py

@@ -36,6 +36,11 @@ class FileSystem(SimComponent):
             self.create_folder("root")
 
     def _init_request_manager(self) -> RequestManager:
+        """
+        Initialise the request manager.
+
+        More information in user guide and docstring for SimComponent._init_request_manager.
+        """
         rm = super()._init_request_manager()
 
         self._delete_manager = RequestManager()

src/primaite/simulator/file_system/file_system_item_abc.py

@@ -101,6 +101,11 @@ class FileSystemItemABC(SimComponent):
         return state
 
     def _init_request_manager(self) -> RequestManager:
+        """
+        Initialise the request manager.
+
+        More information in user guide and docstring for SimComponent._init_request_manager.
+        """
         rm = super()._init_request_manager()
 
         rm.add_request(

src/primaite/simulator/file_system/folder.py

@@ -51,6 +51,11 @@ class Folder(FileSystemItemABC):
         self.sys_log.info(f"Created file /{self.name} (id: {self.uuid})")
 
     def _init_request_manager(self) -> RequestManager:
+        """
+        Initialise the request manager.
+
+        More information in user guide and docstring for SimComponent._init_request_manager.
+        """
         rm = super()._init_request_manager()
         rm.add_request(
             name="delete",