Add aws_sdk_example demonstrating full AWS SDK Swift support

This example builds and runs successfully, demonstrating that all the fixes
for complex C dependencies work with aws-sdk-swift, which transitively
depends on aws-crt-swift and its complex C library dependencies.

Author: codeman9

examples/aws_sdk_example/.bazelrc

@@ -0,0 +1,4 @@
+build --enable_bzlmod
+build --lockfile_mode=update
+build --macos_minimum_os=15.0
+build --host_macos_minimum_os=15.0

examples/aws_sdk_example/BUILD.bazel

@@ -0,0 +1,9 @@
+load("@rules_swift//swift:swift_binary.bzl", "swift_binary")
+
+swift_binary(
+    name = "AwsSdkExample",
+    srcs = ["Sources/AwsSdkExample/main.swift"],
+    deps = [
+        "@swiftpkg_aws_sdk_swift//:AWSS3",
+    ],
+)

examples/aws_sdk_example/MODULE.bazel

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+module(name = "aws_sdk_example")
+
+bazel_dep(name = "rules_swift_package_manager", version = "1.10.0")
+local_path_override(
+    module_name = "rules_swift_package_manager",
+    path = "../..",
+)
+
+bazel_dep(name = "rules_swift", version = "2.3.0")
+
+swift_deps = use_extension(
+    "@rules_swift_package_manager//:extensions.bzl",
+    "swift_deps",
+)
+swift_deps.from_package(
+    resolved = "//:Package.resolved",
+    swift = "//:Package.swift",
+)
+use_repo(
+    swift_deps,
+    "swiftpkg_aws_sdk_swift",
+)

examples/aws_sdk_example/Package.resolved

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+// swift-tools-version: 5.9
+
+import PackageDescription
+
+let package = Package(
+    name: "AwsSdkExample",
+    dependencies: [
+        .package(url: "https://github.com/awslabs/aws-sdk-swift", from: "1.0.0"),
+    ]
+)

examples/aws_sdk_example/Package.swift

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+# AWS SDK Swift Example
+
+This example demonstrates building a Swift application that uses the AWS SDK for Swift.
+
+## Building
+
+```bash
+bazel build //:AwsSdkExample
+```
+
+## Running
+
+```bash
+bazel run //:AwsSdkExample
+```
+
+Expected output:
+```
+AWS SDK Swift S3 client created successfully
+```
+
+## What This Tests
+
+This example verifies that rules_swift_package_manager can successfully build aws-sdk-swift, which depends on:
+- aws-crt-swift (complex C dependencies with inline headers, excluded directories, and system frameworks)
+- Multiple Swift packages with various dependency patterns
+- Transitive C library dependencies with framework auto-detection
+
+The successful build demonstrates that all the fixes for complex C dependencies work correctly with a real-world, complex Swift package.

examples/aws_sdk_example/README.md

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+import AWSS3
+
+struct AwsSdkExample {
+    static func main() async throws {
+        // Simple example that creates an S3 client
+        _ = try await S3Client()
+        print("AWS SDK Swift S3 client created successfully")
+    }
+}
+
+try await AwsSdkExample.main()