feat: connected field in context

web/src/context/db/db.ts

@@ -3,11 +3,13 @@ import { createContext, useContext } from "react";
 
 interface DbContextValues {
   db: IDBPDatabase | null;
+  connected: boolean;
   setDb: (db: IDBPDatabase) => void;
 }
 
 export const DbContext = createContext<DbContextValues>({
   db: null,
+  connected: false,
   setDb: () => {},
 });