docs: adding docstrings to item.py

aim/digifeeds/item.py

@@ -1,10 +1,36 @@
 class Item:
+    """A Digifeeds Item
+
+    An item to be processed by the Digifeeds process.
+
+    Attributes:
+        data: ?
+    """
+
     def __init__(self, data: dict) -> None:
+        """Initializes the instance with data argument.
+
+        Args:
+            data (dict): ?
+        """
         self.data = data
 
     def has_status(self, status: str) -> bool:
+        """The status of this Digifeeds Item.
+
+        Args:
+            status (str): A Digifeeds status.
+
+        Returns:
+            bool: True if Digifeeds item has a status, Fales if Digifeeds item does not have a status.
+        """
         return any(s["name"] == status for s in self.data["statuses"])
 
     @property
     def barcode(self) -> str:
+        """The barcode of the Digifeeds item.
+
+        Returns:
+            str: The barcode.
+        """
         return self.data["barcode"]