feat: add persistent reply keyboard with Clock In / Clock Out buttons

Also handle button text (English + Persian) in message router.

internal/bot/handlers.go

@@ -27,9 +27,9 @@ func (h *Handler) HandleMessage(update tgbotapi.Update) {
 	switch msg.Text {
 	case "/start":
 		h.handleStart(msg)
-	case "/clockin":
+	case "/clockin", "Clock In", "ورود":
 		h.handleClockInMsg(msg)
-	case "/clockout":
+	case "/clockout", "Clock Out", "خروج":
 		h.handleClockOutMsg(msg)
 	case "/remote":
 		h.toggleRemote(msg)
@@ -73,6 +73,20 @@ func (h *Handler) handleStart(msg *tgbotapi.Message) {
 	reply := tgbotapi.NewMessage(msg.Chat.ID, text)
 	reply.ReplyMarkup = mainKeyboard()
 	_, _ = h.Bot.Send(reply)
+
+	kb := quickKeyboard()
+	quick := tgbotapi.NewMessage(msg.Chat.ID, "Quick buttons added below:")
+	quick.ReplyMarkup = kb
+	_, _ = h.Bot.Send(quick)
+}
+
+func quickKeyboard() tgbotapi.ReplyKeyboardMarkup {
+	return tgbotapi.NewReplyKeyboard(
+		tgbotapi.NewKeyboardButtonRow(
+			tgbotapi.NewKeyboardButton("Clock In"),
+			tgbotapi.NewKeyboardButton("Clock Out"),
+		),
+	)
 }
 
 func mainKeyboard() tgbotapi.InlineKeyboardMarkup {