feat(MaskedInput): add compact parameter to initialiser

docs(MaskedInput): add `compact` parameter to docstring

Author: ddkasa

src/textual/widgets/_masked_input.py

@@ -461,6 +461,7 @@ def __init__(
         classes: str | None = None,
         disabled: bool = False,
         tooltip: RenderableType | None = None,
+        compact: bool = False,
     ) -> None:
         """Initialise the `MaskedInput` widget.
 
@@ -478,6 +479,7 @@ def __init__(
             classes: Optional initial classes for the widget.
             disabled: Whether the input is disabled or not.
             tooltip: Optional tooltip.
+            compact: Enable compact style (without borders).
         """
         self._template: _Template = None
         super().__init__(
@@ -490,6 +492,7 @@ def __init__(
             id=id,
             classes=classes,
             disabled=disabled,
+            compact=compact,
         )
 
         self._template = _Template(self, template)