Update and rename system24-light.theme.css to light.theme.css

Author: refact0r

theme/flavors/system24-light.theme.css renamed to theme/flavors/light.theme.css

@@ -5,7 +5,7 @@
  * @version 1.0.0
  * @invite nz87hXyvcy
  * @website https://github.com/refact0r/system24
- * @source https://github.com/refact0r/system24/blob/master/flavors/system24-light.theme.css 
+ * @source https://github.com/refact0r/system24/blob/master/flavors/light.theme.css 
  * @authorId 508863359777505290
  * @authorLink https://www.refact0r.dev
 */