Price reminder and init approval

* Start price reminder grain

* Add config and init grain at startup

* Save init wallet when already init

src/Managing.Application.Abstractions/Repositories/IAccountRepository.cs

@@ -7,6 +7,7 @@ public interface IAccountRepository
     Task<Account> GetAccountByNameAsync(string name);
     Task<Account> GetAccountByKeyAsync(string key);
     Task InsertAccountAsync(Account account);
+    Task UpdateAccountAsync(Account account);
     void DeleteAccountByName(string name);
     Task<IEnumerable<Account>> GetAccountsAsync();
 }