feat: left sided name

src/core/blitzkit/var.ts

@@ -1,6 +1,7 @@
 type Name =
   | `color-${'background' | `panel-${'solid' | 'translucent'}` | 'surface' | 'overlay'}`
-  | `radius-${1 | 2 | 3 | 4 | 5 | 6 | 'full'}`;
+  | `radius-${1 | 2 | 3 | 4 | 5 | 6 | 'full'}`
+  | `space-${1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9}`;
 
 export function Var(name: Name) {
   return `var(--${name})`;