fix: add a missing file that was ignored

.gitignore

@@ -8,4 +8,4 @@ Cargo.lock
 uniffi/targets
 uniffi/wrappers
 libanoncreds.xcframework.zip
-*.swift
+uniffi/output-frameworks/anoncreds-swift/AnoncredsSwift/Sources/Swift/*.swift

uniffi/build-release-apple-universal.sh

@@ -72,6 +72,7 @@ zip -r "$dest_dir/$zip_name" "$source_dir/$target_dir_name"
 
 echo "Copy .swift binders"
 rm -f "./output-frameworks/anoncreds-swift/AnoncredsSwift/Sources/Swift/anoncreds.swift" || true
+mkdir -p ./output-frameworks/anoncreds-swift/AnoncredsSwift/Sources/Swift || true
 mv "./wrappers/swift/anoncreds/anoncreds.swift" "./output-frameworks/anoncreds-swift/AnoncredsSwift/Sources/Swift/anoncreds.swift"
 
 rm -f "/wrappers/swift/anoncreds/anoncreds.swift" || true

uniffi/output-frameworks/anoncreds-swift/Package.swift

@@ -0,0 +1,32 @@
+// swift-tools-version:5.7
+import PackageDescription
+
+let package = Package(
+    name: "AnoncredsSwift",
+    platforms: [
+        .iOS(.v13),
+        .macOS(.v12)
+    ],
+    products: [
+        .library(
+            name: "AnoncredsSwift",
+            type: .dynamic,
+            targets: ["AnoncredsSwift"]
+        ),
+    ],
+    targets: [
+        .target(
+            name: "AnoncredsSwift",
+            dependencies: ["anoncredsFFI"],
+            path: "AnoncredsSwift/Sources/Swift"
+        ),
+        .target(
+            name: "anoncredsFFI",
+            dependencies: ["libanoncreds"],
+            path: "AnoncredsSwift/Sources/C"),
+        .binaryTarget(
+            name: "libanoncreds",
+            path: "./libanoncreds.xcframework.zip"
+        )
+    ]
+)