Create MainWindow folder to match Mac folder structure.

iOS/MainWindow/MainTimeline/MainTimelineUnreadCountView.swift

@@ -0,0 +1,39 @@
+//
+//  MainTimelineUnreadCountView.swift
+//  NetNewsWire-iOS
+//
+//  Created by Maurice Parker on 9/30/19.
+//  Copyright © 2019 Ranchero Software. All rights reserved.
+//
+
+import UIKit
+
+final class MainTimelineUnreadCountView: MainFeedUnreadCountView {
+
+	override var padding: UIEdgeInsets {
+		return UIEdgeInsets(top: 2.0, left: 9.0, bottom: 2.0, right: 9.0)
+	}
+
+	override var textColor: UIColor {
+		return UIColor.systemBackground
+	}
+
+	override var intrinsicContentSize: CGSize {
+		return contentSize
+	}
+
+	override func draw(_ dirtyRect: CGRect) {
+
+		let cornerRadii = CGSize(width: cornerRadius, height: cornerRadius)
+		let rect = CGRect(x: 1, y: 1, width: bounds.width - 2, height: bounds.height - 2)
+		let path = UIBezierPath(roundedRect: rect, byRoundingCorners: .allCorners, cornerRadii: cornerRadii)
+		AppColor.accent.setFill()
+		path.fill()
+
+		if unreadCount > 0 {
+			unreadCountString.draw(at: textRect().origin, withAttributes: textAttributes)
+		}
+
+	}
+
+}