skeleton added

domain/admin/models/models.go

@@ -0,0 +1,14 @@
+package models
+
+import (
+	"errors"
+)
+
+var (
+	ErrNotAdmin = errors.New("user is not admin")
+)
+
+type Admin struct {
+	UserID int64  `db:"user_id"`
+	Role   string `db:"role"`
+}