chore: setup package.swift with apple package

Author: russellwheatley

FirebaseSwiftUI/FirebaseAppleSwiftUI/Tests/FirebaseAppleSwiftUITests/FirebaseAppleSwiftUITests.swift

@@ -0,0 +1,21 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+@testable import FirebaseAppleSwiftUI
+import Testing
+
+@Test func example() async throws {
+  // Write your test here and use APIs like `#expect(...)` to check expected conditions.
+}
+

Package.swift

@@ -82,6 +82,10 @@ let package = Package(
       name: "FirebaseTwitterSwiftUI",
       targets: ["FirebaseTwitterSwiftUI"]
     ),
+    .library(
+      name: "FirebaseAppleSwiftUI",
+      targets: ["FirebaseAppleSwiftUI"]
+    ),
   ],
   dependencies: [
     .package(
@@ -326,5 +330,17 @@ let package = Package(
       dependencies: ["FirebaseTwitterSwiftUI"],
       path: "FirebaseSwiftUI/FirebaseTwitterSwiftUI/Tests/"
     ),
+    .target(
+      name: "FirebaseAppleSwiftUI",
+      dependencies: [
+        "FirebaseAuthSwiftUI",
+      ],
+      path: "FirebaseSwiftUI/FirebaseAppleSwiftUI/Sources"
+    ),
+    .testTarget(
+      name: "FirebaseAppleSwiftUITests",
+      dependencies: ["FirebaseAppleSwiftUI"],
+      path: "FirebaseSwiftUI/FirebaseAppleSwiftUI/Tests/"
+    ),
   ]
 )