Add admin-route & dropdown-menu. Add clear-cache & create-code. Adjustments for activation-code and user models. Add sweet-alert for admin-tools.

models/user.go

@@ -4,4 +4,13 @@ type User struct {
 	Username string `json:"username" gorm:"primary_key"`
 	Password string `json:"password"`
 	Enabled  bool   `json:"enabled" default:"1"`
+	UserRole Role   `json:"user_role" default:"READER"`
 }
+
+type Role string
+
+const (
+	AdminRole  Role = "ADMIN"
+	AuthorRole Role = "AUTHOR"
+	ReaderRole Role = "READER"
+)