feat: sdk migration in progress

internal/models/master_key.go

@@ -0,0 +1,15 @@
+package models
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type MasterKey struct {
+	ID        uuid.UUID `gorm:"type:uuid;default:gen_random_uuid();primaryKey" json:"id"`
+	Key       string    `gorm:"not null"`
+	IsActive  bool      `gorm:"default:true"`
+	CreatedAt time.Time `gorm:"column:created_at;not null;default:now()" json:"created_at"`
+	UpdatedAt time.Time `gorm:"autoUpdateTime;column:updated_at;not null;default:now()" json:"updated_at"`
+}