add docs for useKeyboardShortcuts.

Signed-off-by: krishna2323 <belivethatkg@gmail.com>

src/components/SettlementButton.tsx

@@ -106,6 +106,7 @@ type SettlementButtonProps = SettlementButtonOnyxProps & {
     /** Callback to open confirmation modal if any of the transactions is on HOLD */
     confirmApproval?: () => void;
 
+    /** Whether to use keyboard shortcuts for confirmation or not */
     useKeyboardShortcuts?: boolean;
 };