refactor: split monolithic state into context-based modules

Extract image, desktop, mobile, and config state into separate context
providers to improve modularity and reduce unnecessary re-renders.

Signed-off-by: Sped0n <hi@sped0n.com>

assets/ts/desktop/customCursor.tsx

@@ -4,7 +4,6 @@ export default function CustomCursor(props: {
   children?: JSX.Element
   active: Accessor<boolean>
   cursorText: Accessor<string>
-  isOpen: Accessor<boolean>
 }): JSX.Element {
   // types
   interface XY {