feat: segmentControl 추가 (#90)

iOS/issue-tracker.xcodeproj/xcshareddata/xcschemes/issue-tracker.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1240"
+   LastUpgradeVersion = "1250"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

iOS/issue-tracker/IssueList/IssueCoordinator.swift

@@ -27,6 +27,9 @@ class IssueCoordinator: NSObject, Coordinator {
         let issueEditVC = UIStoryboard(name: StoryBoardName.IssueEdit.description, bundle: nil)
             .instantiateViewController(withIdentifier: IssueEditViewController.reuseIdentifier) as! IssueEditViewController
 
+        let segmentController = UISegmentedControl(items: IssueEditViewController.Segment.titles)
+        segmentController.selectedSegmentIndex = IssueEditViewController.Segment.markdown.status
+        issueEditVC.navigationItem.titleView = segmentController
         navigationController.pushViewController(issueEditVC, animated: true)
     }
 

iOS/issue-tracker/NewIssue/IssueEditViewController.swift

@@ -16,6 +16,17 @@ class IssueEditViewController: UIViewController, ReuseIdentity {
     private var tableDelegate = AdditionalTableDelegate()
     private var tableDataSource = AdditionalTableViewDataSource()
 
+    enum Segment: Int {
+        case markdown
+        case preview
+
+        var status: Int {
+            return self.rawValue
+        }
+        static var titles: [String] {
+            return ["마크다운", "미리보기"]
+        }
+    }
     private lazy var photoPicker = ImagePicker(presentationController: self, delegate: self)
 
     override func viewDidLoad() {