GiteaPR: native iOS app to manage Gitea pull requests

Multi-repo PR inbox, review (approve/request changes/comment), merge with
gating toggle, read-only diff viewer, and Gitea Actions check status with
one-tap re-run. Ships unsigned via the iMac runner to the SideStore source.

GiteaPR/GiteaPRApp.swift

@@ -0,0 +1,13 @@
+import SwiftUI
+
+@main
+struct GiteaPRApp: App {
+    @StateObject private var settings = SettingsStore.shared
+
+    var body: some Scene {
+        WindowGroup {
+            InboxView()
+                .environmentObject(settings)
+        }
+    }
+}