Add periphery ignore

Author: RafaelKayumov

Modules/Sources/Yosemite/Base/StoresManager.swift

@@ -63,6 +63,7 @@ public protocol StoresManager {
 
     /// The currently logged in store/site ID. Nil when the app is logged out.
     ///
+    /// periphery: ignore - used in tests
     var siteID: AnyPublisher<Int64?, Never> { get }
 
     /// Observable currently selected site.

WooCommerce/Classes/ViewRelated/MainTabBarController.swift

@@ -136,6 +136,7 @@ final class MainTabBarController: UITabBarController {
 
     private lazy var isProductsSplitViewFeatureFlagOn = featureFlagService.isFeatureFlagEnabled(.splitViewInProductsTab)
 
+    /// periphery: ignore - used in tests
     init?(coder: NSCoder,
           featureFlagService: FeatureFlagService = ServiceLocator.featureFlagService,
           noticePresenter: NoticePresenter = ServiceLocator.noticePresenter,