use the language translation instead of hardcoded eng

internal/handlers/ussd/menuhandler.go

@@ -817,7 +817,8 @@ func (h *Handlers) CheckBalance(ctx context.Context, sym string, input []byte) (
 		return res, err
 	}
 
-	res.Content = l.Get("Balance: %s\n", fmt.Sprintf("%s %s", activeBal, activeSym))
+	balStr := fmt.Sprintf("%s %s", activeBal, activeSym)
+	res.Content = l.Get("Balance: %s\n", balStr)
 
 	return res, nil
 }
@@ -1546,6 +1547,10 @@ func (h *Handlers) ViewVoucher(ctx context.Context, sym string, input []byte) (r
 		return res, fmt.Errorf("missing session")
 	}
 
+	code := codeFromCtx(ctx)
+	l := gotext.NewLocale(translationDir, code)
+	l.AddDomain("default")
+
 	flag_incorrect_voucher, _ := h.flagManager.GetFlag("flag_incorrect_voucher")
 
 	inputStr := string(input)
@@ -1570,7 +1575,7 @@ func (h *Handlers) ViewVoucher(ctx context.Context, sym string, input []byte) (r
 	}
 
 	res.FlagReset = append(res.FlagReset, flag_incorrect_voucher)
-	res.Content = fmt.Sprintf("Symbol: %s\nBalance: %s", metadata.TokenSymbol, metadata.Balance)
+	res.Content = l.Get("Symbol: %s\nBalance: %s", metadata.TokenSymbol, metadata.Balance)
 
 	return res, nil
 }

services/registration/locale/swa/default.po

@@ -13,7 +13,7 @@ msgstr "Kwa usaidizi zaidi,piga: 0757628885"
 msgid "Balance: %s\n"
 msgstr "Salio: %s\n"
 
-msid "Your invite request for %s to Sarafu Network failed. Please try again later."
+msgid "Your invite request for %s to Sarafu Network failed. Please try again later."
 msgstr "Ombi lako la kumwalika %s kwa matandao wa Sarafu halikufaulu. Tafadhali jaribu tena baadaye."
 
 msgid "Your invitation to %s to join Sarafu Network has been sent."
@@ -23,4 +23,7 @@ msgid "Your request failed. Please try again later."
 msgstr "Ombi lako halikufaulu. Tafadhali jaribu tena baadaye."
 
 msgid "Community Balance: 0.00"
-msgid "Salio la Kikundi: 0.00"
+msgstr "Salio la Kikundi: 0.00"
+
+msgid "Symbol: %s\nBalance: %s"
+msgstr "Sarafu: %s\nSalio: %s"

services/registration/my_balance_swa

@@ -1 +1 @@
-Salio lako ni: 0.00 SRF
+{{.check_balance}}