feat: app intents, siri & widgets + fix for auth (#5)

Reviewed-on: #5
Co-authored-by: Joshua Higgins <joshuafhiggins@gmail.com>

app-intents/AppIntentsSetup.swift

@@ -0,0 +1,21 @@
+internal import ExpoAppIntents
+internal import ExpoModulesCore
+
+/// Registered Expo inline module that wires app-target App Intents code to expo-app-intents.
+/// Do not change the name of this class.
+final class AppIntentsSetup: Module {
+  public func definition() -> ExpoModulesCore.ModuleDefinition {
+    Name("AppIntentsSetup")
+
+    OnCreate {
+      if #available(iOS 18.0, *) {
+        Task {
+          await AppIntentDispatcher.shared.setShortcutsRefreshHandler {
+            AppShortcuts.updateAppShortcutParameters()
+          }
+          AppShortcuts.updateAppShortcutParameters()
+        }
+      }
+    }
+  }
+}