feat(widget): Added spacing and padding method to list column

src/widget/list/column.rs

@@ -1,6 +1,8 @@
 // Copyright 2022 System76 <info@system76.com>
 // SPDX-License-Identifier: MPL-2.0
 
+use iced_core::Padding;
+
 use crate::{widget::divider, Apply, Element};
 
 #[must_use]
@@ -9,12 +11,16 @@ pub fn list_column<'a, Message: 'static>() -> ListColumn<'a, Message> {
 }
 
 pub struct ListColumn<'a, Message> {
+    spacing: u16,
+    padding: Padding,
     children: Vec<Element<'a, Message>>,
 }
 
 impl<'a, Message: 'static> Default for ListColumn<'a, Message> {
     fn default() -> Self {
         Self {
+            spacing: Default::default(),
+            padding: Padding::from(0),
             children: Vec::with_capacity(4),
         }
     }
@@ -37,10 +43,21 @@ impl<'a, Message: 'static> ListColumn<'a, Message> {
         self
     }
 
+    pub fn spacing(mut self, spacing: u16) -> Self {
+        self.spacing = spacing;
+        self
+    }
+
+    pub fn padding(mut self, padding: impl Into<Padding>) -> Self {
+        self.padding = padding.into();
+        self
+    }
+
     #[must_use]
     pub fn into_element(self) -> Element<'a, Message> {
         crate::widget::column::with_children(self.children)
-            .spacing(12)
+            .spacing(self.spacing)
+            .padding(self.padding)
             .apply(super::container)
             .into()
     }