Add configurable iPhone widgets

ios/Sources/AppContext.swift

@@ -1,14 +1,19 @@
 import UIKit
+import WidgetKit
 
 @MainActor
 final class AppContext {
-    let core = GotchaCore()
+    let core: GotchaCore
     private let window: UIWindow
     private(set) var tabs = UITabBarController()
     private(set) var navigationControllers: [UINavigationController] = []
 
     init(window: UIWindow) {
         self.window = window
+        let storageDirectory = FileManager.default.containerURL(
+            forSecurityApplicationGroupIdentifier: "group.de.rfc1437.gotcha"
+        )?.path
+        core = GotchaCore(storageDirectory: storageDirectory)
         applyAppearance()
     }
 
@@ -61,6 +66,21 @@ final class AppContext {
         for (index, root) in replacements {
             navigationControllers[index].setViewControllers([root], animated: false)
         }
+        WidgetCenter.shared.reloadAllTimelines()
+    }
+
+    @discardableResult
+    func route(widgetURL: URL) -> Bool {
+        guard widgetURL.scheme == "gotcha" else { return false }
+        let index: Int
+        switch widgetURL.host {
+        case "home": index = 0
+        case "pulls": index = 3
+        default: return false
+        }
+        tabs.selectedIndex = index
+        navigationControllers[index].popToRootViewController(animated: false)
+        return true
     }
 
     func didAddServer(index: UInt32) throws {