SPM compatibility

.gitignore

@@ -2,6 +2,8 @@
 #
 # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
 
+.DS_Store
+
 ## Build generated
 build/
 DerivedData/

AcceptSDKTests/FingerPrintTests.swift

@@ -7,6 +7,7 @@
 //
 
 import XCTest
+@testable import AcceptSDK
 
 class FingerPrintTests: XCTestCase {
 

AcceptSDKTests/MerchantAuthenticationTests.swift

@@ -7,6 +7,7 @@
 //
 
 import XCTest
+@testable import AcceptSDK
 
 class MerchantAuthenticationTests: XCTestCase {
 

AcceptSDKTests/TokenDataTests.swift

@@ -8,6 +8,7 @@
 
 import Foundation
 import XCTest
+@testable import AcceptSDK
 
 class TokenDataTests: XCTestCase {
 

AcceptSDKTests/WebCheckOutDataTypeTests.swift

@@ -7,6 +7,7 @@
 //
 
 import XCTest
+@testable import AcceptSDK
 
 class WebCheckOutDataTypeTests: XCTestCase {
 

Package.swift

@@ -0,0 +1,34 @@
+// swift-tools-version:5.3
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "AcceptSDK",
+    platforms: [.iOS(.v9)], 
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "AcceptSDK",
+            targets: ["AcceptSDK"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "AcceptSDK",
+            dependencies: [],
+            path: "AcceptSDK",
+            exclude: ["Info.plist", "AcceptSDK.h"]
+        ),
+        .testTarget(
+            name: "AcceptSDKTests",
+            dependencies: ["AcceptSDK"],
+            path: "AcceptSDKTests",
+            exclude: ["Info.plist"]),
+    ]
+)