fix docs

Author: mikhailChelbaev

Sources/ComponentsKit/Components/Card/SUCard.swift

@@ -10,6 +10,7 @@ import SwiftUI
 ///     Text("This is the content of the card.")
 ///   }
 /// )
+/// ```
 public struct SUCard<Content: View>: View {
   // MARK: - Properties
 

Sources/ComponentsKit/Components/Card/UKCard.swift

@@ -14,6 +14,7 @@ import UIKit
 ///     return label
 ///   }
 /// )
+/// ```
 open class UKCard: UIView, UKComponent {
   // MARK: - Typealiases