public Context()
 {
     Database.EnsureCreated();
     Transactions.CountAsync();
     if (TransactionTypes.ToList().Count == 0)
     {
         TransactionTypes.Add(new TransactionType()
         {
             Value = "Expense"
         });
         TransactionTypes.Add(new TransactionType()
         {
             Value = "Income"
         });
         SaveChanges();
     }
 }