init(backend): add models

backend/models/models.go

@@ -0,0 +1,29 @@
+package models
+
+import (
+	"time"
+)
+
+type Role string
+
+const (
+	Admin  Role = "admin"
+	Editor Role = "editor"
+	Viewer Role = "viewer"
+)
+
+type User struct {
+	ID         string `json:"id"`
+	Name       string `json:"name"`
+	Login      string `json:"login"`
+	Role       Role   `json:"role"`
+	TelegramID int64  `json:"telegram_id"`
+}
+
+type Quote struct {
+	ID       string    `json:"id"`
+	Text     string    `json:"text"`
+	Author   string    `json:"author"`
+	Datetime time.Time `json:"datetime"`
+	Creator  User      `json:"creator"`
+}