feat: 실제 Thumbnail을 가지고 있는 ThumbnailViewController 구현

Issue: #38

ios/SideDishApp/SideDishApp.xcodeproj/project.pbxproj

@@ -8,6 +8,7 @@
 
 /* Begin PBXBuildFile section */
 		1086E9822A6C8F6DE6E91752 /* Pods_SideDishApp.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F73413738BBF5BACBA69C851 /* Pods_SideDishApp.framework */; };
+		3812772124574FAC000BDF82 /* ThumbnailViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3812772024574FAC000BDF82 /* ThumbnailViewController.swift */; };
 		381D92FA245174C30067C07A /* DetailViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 381D92F9245174C30067C07A /* DetailViewController.swift */; };
 		385E343A2452016B00931F8B /* NetworkManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 385E34392452016B00931F8B /* NetworkManager.swift */; };
 		3868CC4D244F17F6008DEC81 /* PriceLabelsStackView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3868CC4C244F17F6008DEC81 /* PriceLabelsStackView.swift */; };
@@ -40,6 +41,7 @@
 /* Begin PBXFileReference section */
 		0D9D542A05749160B83F5E28 /* Pods-SideDishApp.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SideDishApp.release.xcconfig"; path = "Target Support Files/Pods-SideDishApp/Pods-SideDishApp.release.xcconfig"; sourceTree = "<group>"; };
 		1358D50A20262260DC847020 /* Pods-SideDishApp.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SideDishApp.debug.xcconfig"; path = "Target Support Files/Pods-SideDishApp/Pods-SideDishApp.debug.xcconfig"; sourceTree = "<group>"; };
+		3812772024574FAC000BDF82 /* ThumbnailViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ThumbnailViewController.swift; sourceTree = "<group>"; };
 		381D92F9245174C30067C07A /* DetailViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DetailViewController.swift; sourceTree = "<group>"; };
 		385E34392452016B00931F8B /* NetworkManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NetworkManager.swift; sourceTree = "<group>"; };
 		3868CC4C244F17F6008DEC81 /* PriceLabelsStackView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PriceLabelsStackView.swift; sourceTree = "<group>"; };
@@ -175,6 +177,7 @@
 				388C14AE244E936E003323F2 /* SideDishProductsViewController.swift */,
 				381D92F9245174C30067C07A /* DetailViewController.swift */,
 				38E2FCD42457456400817780 /* ThumbnailsPageViewController.swift */,
+				3812772024574FAC000BDF82 /* ThumbnailViewController.swift */,
 			);
 			path = ViewControllers;
 			sourceTree = "<group>";
@@ -380,6 +383,7 @@
 				3868CC5D24501A17008DEC81 /* PaddingLabel.swift in Sources */,
 				38E0AF692452FBE600A26CB3 /* ProductList.swift in Sources */,
 				38E0AF652452FB5900A26CB3 /* Products.swift in Sources */,
+				3812772124574FAC000BDF82 /* ThumbnailViewController.swift in Sources */,
 				3868CC52244F1E10008DEC81 /* FinalPriceLabel.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

ios/SideDishApp/SideDishApp/ViewControllers/ThumbnailViewController.swift

@@ -0,0 +1,18 @@
+//
+//  ThumbnailViewController.swift
+//  SideDishApp
+//
+//  Created by Cory Kim on 2020/04/28.
+//  Copyright © 2020 corykim0829. All rights reserved.
+//
+
+import UIKit
+
+class ThumbnailViewController: UIViewController {
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        view.backgroundColor = UIColor(displayP3Red: CGFloat.random(in: 0.0...1.0), green: CGFloat.random(in: 0.0...1.0), blue: CGFloat.random(in: 0.0...1.0), alpha: 1)
+    }
+}

ios/SideDishApp/SideDishApp/ViewControllers/ThumbnailsPageViewController.swift

@@ -10,13 +10,12 @@ import UIKit
 
 class ThumbnailsPageViewController: UIPageViewController {
 
-    private var thumbnailViewControllers = [UIViewController]()
+    private var thumbnailViewControllers = [ThumbnailViewController]()
 
     private var imageURLs: [String]! {
         didSet {
             imageURLs.forEach { (_) in
-                let vc = UIViewController()
-                vc.view.backgroundColor = UIColor(displayP3Red: CGFloat.random(in: 0.0...1.0), green: CGFloat.random(in: 0.0...1.0), blue: CGFloat.random(in: 0.0...1.0), alpha: 1)
+                let vc = ThumbnailViewController()
                 thumbnailViewControllers.append(vc)
             }
             setViewControllers([thumbnailViewControllers.first!], direction: .forward, animated: false)