Add Swift Package support

ATGMediaBrowser/MediaBrowser/ContentTransformers.swift

@@ -21,6 +21,8 @@
 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
+import UIKit
+
 /**
  Content transformer used for transition between media item views.
 

ATGMediaBrowser/MediaBrowser/DismissAnimationController.swift

@@ -21,6 +21,8 @@
 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
+import UIKit
+
 internal class DismissAnimationController: NSObject {
 
     private enum Constants {

ATGMediaBrowser/MediaBrowser/MediaBrowserViewController.swift

@@ -21,6 +21,8 @@
 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
+import UIKit
+
 // MARK: - MediaBrowserViewControllerDataSource protocol
 /// Protocol to supply media browser contents.
 public protocol MediaBrowserViewControllerDataSource: class {

ATGMediaBrowser/MediaBrowser/MediaContentView.swift

@@ -21,6 +21,8 @@
 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
+import UIKit
+
 /// Holds the value of minimumZoomScale and maximumZoomScale of the image.
 public struct ZoomScale {
 

Package.swift

@@ -0,0 +1,23 @@
+// swift-tools-version:5.3
+
+import PackageDescription
+
+let package = Package(
+    name: "ATGMediaBrowser",
+    products: [
+        .library(
+            name: "ATGMediaBrowser",
+            targets: ["ATGMediaBrowser"]
+        )
+    ],
+    targets: [
+        .target(
+            name: "ATGMediaBrowser",
+            path: "ATGMediaBrowser",
+            exclude: ["Info.plist"]
+        )
+    ],
+    swiftLanguageVersions: [
+        .v4_2
+    ]
+)