feat(api): initialize account with starting balance

src/FiscalOS.API/Accounts/Add/Endpoint.cs

@@ -42,8 +42,14 @@ internal static class Endpoint
       return Results.Conflict();
     }
 
+    // TODO: We need to get the initial balance
+    // of the account
+
     var accountMetadata = PlaidAccountMetadata.From(request.PlaidAccountId, request.PlaidAccountName);
     var account = Account.From(user.Institutions.First().Id, request.PlaidAccountName, accountMetadata);
+    var balance = Balance.From(request.AccountCurrentBalance, request.AccountAvailableBalance);
+
+    account.AddBalance(balance);
     user.AddAccount(account);
 
     await appDbContext.SaveChangesAsync(ct);