[DOC] Add some docstrings (#316)

Author: n-takumasa

tomlkit/container.py

@@ -44,6 +44,7 @@ def body(self) -> list[tuple[Key | None, Item]]:
         return self._body
 
     def unwrap(self) -> dict[str, Any]:
+        """Returns as pure python object (ppo)"""
         unwrapped = {}
         for k, v in self.items():
             if k is None:
@@ -64,6 +65,7 @@ def unwrap(self) -> dict[str, Any]:
 
     @property
     def value(self) -> dict[str, Any]:
+        """The wrapped dict value"""
         d = {}
         for k, v in self._body:
             if k is None:

tomlkit/items.py

@@ -1665,6 +1665,7 @@ def indent(self, indent: int) -> Table:
         return self
 
     def invalidate_display_name(self):
+        """Call ``invalidate_display_name`` on the contained tables"""
         self.display_name = None
 
         for child in self.values():