Restructured project

- backend moved to backend directory
- added and initialized frontend with vue
- moved infrastructure files to infra directory

backend/src/bot/handlers/reply.go

@@ -0,0 +1,21 @@
+package handlers
+
+import (
+	"log"
+
+	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+)
+
+func (h *Handler) reply(chat int64, text string) {
+	m := tgbotapi.NewMessage(chat, text)
+	_, err := h.api.Send(m)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func (h *Handler) replyMarkdown(chatID int64, text string) {
+	msg := tgbotapi.NewMessage(chatID, text)
+	msg.ParseMode = tgbotapi.ModeMarkdown
+	h.api.Send(msg)
+}