Add tabView.itemView.kern option

Sources/Classes/SwipeMenuView.swift

@@ -26,6 +26,9 @@ public struct SwipeMenuViewOptions {
 
             /// ItemView font. Defaults to `14 pt as bold SystemFont`.
             public var font: UIFont = UIFont.boldSystemFont(ofSize: 14)
+
+            /// ItemView font kerning. Defaults to `0`
+            public var kern: CGFloat = 0
 
             /// ItemView clipsToBounds. Defaults to `true`.
             public var clipsToBounds: Bool = true

Sources/Classes/TabView.swift

@@ -218,8 +218,11 @@ open class TabView: UIScrollView {
             tabItemView.translatesAutoresizingMaskIntoConstraints = false
             tabItemView.clipsToBounds = options.clipsToBounds
             if let title = dataSource.tabView(self, titleForItemAt: index) {
-                tabItemView.titleLabel.text = title
-                tabItemView.titleLabel.font = options.itemView.font
+                let attributedTitle: NSMutableAttributedString = .init(string: title)
+                attributedTitle.addAttribute(.font, value: options.itemView.font, range: .init(location: 0, length: title.count))
+                attributedTitle.addAttribute(.kern, value: options.itemView.kern, range: .init(location: 0, length: title.count))
+
+                tabItemView.titleLabel.attributedText = attributedTitle
                 tabItemView.textColor = options.itemView.textColor
                 tabItemView.selectedTextColor = options.itemView.selectedTextColor
             }