add Package.swift for swift 5.9

Author: lukepistrol

[email protected]

@@ -0,0 +1,30 @@
+// swift-tools-version: 5.9
+
+import PackageDescription
+
+let taskTrigger = "TaskTrigger"
+
+let package = Package(
+    name: taskTrigger,
+    platforms: [
+        .iOS(.v15),
+        .macOS(.v12),
+        .watchOS(.v8),
+        .tvOS(.v15),
+        .macCatalyst(.v15),
+        .visionOS(.v1),
+    ],
+    products: [
+        .library(
+            name: taskTrigger,
+            targets: [
+                taskTrigger,
+            ]
+        ),
+    ],
+    targets: [
+        .target(
+            name: taskTrigger
+        ),
+    ]
+)