Adds back to updated translation (first transaction set)

apps/cic-ussd/cic_ussd/data/sys/ussd.csv

@@ -802,18 +802,25 @@ rewards: %{bonus} %{token_symbol}
  tuzo: %{bonus} %{token_symbol}
 0. Dheebi"
 first_transaction_set,"CON %{first_transaction_set}
+0. Back
 11. Next
 00. Exit","CON %{first_transaction_set}
+0. Rudi
 11. Mbele
 00. Ondoka","CON %{first_transaction_set}
+0. Itina
 11. Mbee
 00. Uma","CON %{first_transaction_set}
+0. Thutha
 11. Mbere
 00. uma","CON %{first_transaction_set}
+0. Uma nyuma
 11. Mbere
 00. Ombola","CON %{first_transaction_set}
+0. Chien
 11. Nyime
 00. Wuok","CON %{first_transaction_set}
+0. Dheebi
 11. Dhuur
 00. Bai"
 middle_transaction_set,"CON %{middle_transaction_set}