feature(NumberStepper): Add slots to passthrough prefix and suffix to the NumberStepper component (#629)

* feature(NumberStepper): Add slots to passthrough prefix and suffix

* fix(NumberStepper): Clean up slot markup formatting

* feature(NumberStepper): Create changeset for adding slots to passthrough prefix and suffix

* Update smart-garlics-camp.md

---------

Co-authored-by: Sean Lynch <techniq35@gmail.com>

Author: MaCleodWalker

.changeset/smart-garlics-camp.md

@@ -0,0 +1,5 @@
+---
+'svelte-ux': patch
+---
+
+feat(NumberStepper): Add slots to passthrough prefix and suffix to the NumberStepper component

packages/svelte-ux/src/lib/components/NumberStepper.svelte

@@ -42,6 +42,8 @@
       disabled={min != null && value <= min}
     />
   </div>
+  <div slot="prefix"><slot name="prefix" /></div>
+  <div slot="suffix"><slot name="suffix" /></div>
   <div slot="append">
     <Button
       icon={mdiPlus}