Adds history browser view

App/KeyboardShortcuts.swift

@@ -50,6 +50,12 @@ protocol ShortcutResponder: AnyObject {
     
     @objc
     optional func openInReaderMode(_ sender: Any?)
+    
+    @objc
+    optional func showHistory(_ sender: Any?)
+    
+    @objc
+    optional func handleOpenURL(_ sender: Any?, url: URL?)
 }
 
 fileprivate extension Array {
@@ -166,6 +172,13 @@ public class KeyboardShortcuts {
                         title: "Go Forward",
                         action: #selector(ShortcutResponder.goForward)
                     ),
+                    
+                    UIKeyCommand(
+                        modifiers: [.command, .shift],
+                        input: "h",
+                        title: "Show History…",
+                        action: #selector(ShortcutResponder.showHistory)
+                    ),
                 ]),
                 
                 // Tab Navigation