Redesign for the v1 stable release (#3)

Only half done. Will continue in another PR.

Reviewed-on: #3

crates/ui/src/button.rs

@@ -124,6 +124,7 @@ pub struct Button {
     children: Vec<AnyElement>,
 
     variant: ButtonVariant,
+    center: bool,
     rounded: bool,
     size: Size,
 
@@ -170,6 +171,7 @@ impl Button {
             on_hover: None,
             loading: false,
             reverse: false,
+            center: true,
             bold: false,
             cta: false,
             children: Vec::new(),
@@ -221,6 +223,12 @@ impl Button {
         self
     }
 
+    /// Disable centering the button's content.
+    pub fn no_center(mut self) -> Self {
+        self.center = false;
+        self
+    }
+
     /// Set the cta style of the button.
     pub fn cta(mut self) -> Self {
         self.cta = true;
@@ -353,7 +361,7 @@ impl RenderOnce for Button {
             .flex_shrink_0()
             .flex()
             .items_center()
-            .justify_center()
+            .when(self.center, |this| this.justify_center())
             .cursor_default()
             .overflow_hidden()
             .refine_style(&self.style)