[feature-274] Improve Oculus downloading + add Modal to choose from where to download Beat Saber

src/shared/helpers/time.helpers.ts

@@ -16,3 +16,7 @@ export function hourToMin(hours: number): number {
 export function hourToS(hours: number): number {
     return hours * minToS(MINUTES_IN_HOUR);
 }
+
+export function msToS(milliseconds: number): number {
+    return milliseconds / 1000;
+}