[BOOK-119] feat: add common component for PreviewApp

Author: clxxrlove

src/Projects/BKDesign/PreviewApp/Sources/Common/BaseView.swift

@@ -0,0 +1,23 @@
+// Copyright © 2025 Booket. All rights reserved
+
+import UIKit
+
+class BaseView: UIView {
+    // MARK: - Initialize
+    override init(frame: CGRect = .zero) {
+        super.init(frame: frame)
+        self.setupView()
+        self.setupLayout()
+        self.configure()
+    }
+    
+    @available(*, unavailable)
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    // MARK: - Common Methods
+    func setupView() {}
+    func setupLayout() {}
+    func configure() {}
+}

src/Projects/BKDesign/PreviewApp/Sources/Common/BaseViewController.swift

@@ -0,0 +1,44 @@
+// Copyright © 2025 Booket. All rights reserved
+
+import UIKit
+
+class BaseViewController<T: BaseView>: UIViewController {
+    // MARK: - Properties
+    let contentView: T
+    
+    // MARK: - Initialize
+    init() {
+        self.contentView = T()
+        super.init(nibName: nil, bundle: nil)
+    }
+    
+    @available(*, unavailable)
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    // MARK: - Life Cycle
+    override func loadView() {
+        if contentView.backgroundColor == nil {
+            contentView.backgroundColor = .white
+        }
+        view = contentView
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        self.setupView()
+        self.configure()
+        self.setupLayout()
+        self.bindAction()
+        self.bindState()
+    }
+    
+    // MARK: - Common Methods
+    func setupView() {}
+    func configure() {}
+    func setupLayout() {}
+    func bindAction() {}
+    func bindState() {}
+}