Adds package.swift

Author: Jason Rodriguez

Package.swift

@@ -0,0 +1,25 @@
+// swift-tools-version:5.3
+import PackageDescription
+
+let package = Package(
+    name: "LTHPasscodeViewController",
+    platforms: [
+        .iOS(.v10)
+    ],
+    products: [
+        .library(
+            name: "LTHPasscodeViewController",
+            targets: ["LTHPasscodeViewController"]
+        ),
+    ],
+    targets: [
+        .target(
+            name: "LTHPasscodeViewController",
+            path: ".",
+            exclude: ["Demo", "CHANGELOG.md", "LICENSE.txt", "README.md"],
+            sources: ["LTHPasscodeViewController/LTHKeychainUtils.h", "LTHPasscodeViewController/LTHKeychainUtils.m", "LTHPasscodeViewController/LTHPasscodeViewController.h", "LTHPasscodeViewController/LTHPasscodeViewController.m"],
+            resources: [.copy("Localizations")],
+            publicHeadersPath: "LTHPasscodeViewController"
+        )
+    ]
+)