update unlock page

src/stores/stronghold.tsx

@@ -2,12 +2,18 @@ import { create } from 'zustand';
 
 interface StrongholdState {
   password: null | string;
+  privkey: null | string;
   setPassword: (password: string) => void;
+  setPrivkey: (privkey: string) => void;
 }
 
 export const useStronghold = create<StrongholdState>((set) => ({
   password: null,
+  privkey: null,
   setPassword: (password: string) => {
     set({ password: password });
   },
+  setPrivkey: (privkey: string) => {
+    set({ privkey: privkey });
+  },
 }));