Add different toggle sizes to shoelace template

Author: phneutral

generic/shoelace.less

@@ -569,7 +569,9 @@ as well as a set of mixins to process Ignite styling to fit the demands of Shoel
   --sl-input-help-text-font-size-large: var(--sl-font-size-medium);
   --sl-input-help-text-color: var(--sl-color-neutral-500);
   /* Toggles (checkboxes, radios, switches) */
-  --sl-toggle-size: 1rem;
+  --sl-toggle-size-small: 0.875rem;
+  --sl-toggle-size-medium: 1.125rem;
+  --sl-toggle-size-large: 1.375rem;
   /*
      * Overlays
      */