chore(stores): add SteamUIStore, securitystore

src/globals/stores.ts

@@ -1,3 +1,4 @@
+import { WindowRouter } from '../modules/Router';
 import { AppDetails, LogoPosition, SteamAppOverview } from './SteamClient';
 declare global {
   interface Window {
@@ -46,5 +47,11 @@ declare global {
       GetCustomLogoPosition: (app: SteamAppOverview) => LogoPosition | null;
       SaveCustomLogoPosition: (app: SteamAppOverview, logoPositions: LogoPosition) => any;
     };
+    SteamUIStore: {
+      GetFocusedWindowInstance: () => WindowRouter;
+    };
+    securitystore: {
+      IsLockScreenActive: () => boolean;
+    };
   }
 }