Added default values for logger and get root controller.

Author: ivanvorobei

Sources/SwiftBoost/Foundation/Logger.swift

@@ -9,7 +9,7 @@ import Foundation
  */
 public enum Logger {
 
-    public static func configure(levels: [Level], fileNameMode: FileNameMode) {
+    public static func configure(levels: [Level] = Level.allCases, fileNameMode: FileNameMode = .show) {
         Configurator.shared.levels = levels
         Configurator.shared.fileNameMode = fileNameMode
     }

Sources/SwiftBoost/UIKit/Extensions/UIApplicationExtension.swift

@@ -19,5 +19,11 @@ public extension UIApplication {
             }
         }
     }
+    
+    var rootController: UIViewController? {
+        guard let scene = UIApplication.shared.connectedScenes.first as? UIWindowScene else { return nil }
+        guard let rootViewController = scene.windows.first?.rootViewController else { return nil }
+        return rootViewController
+    }
 }
 #endif