Add package

Package.swift

@@ -0,0 +1,38 @@
+// swift-tools-version:5.6
+import PackageDescription
+
+let package = Package(
+    name: "FlurSchnaps-Server",
+    platforms: [
+       .macOS(.v12)
+    ],
+    dependencies: [
+        // 💧 A server-side Swift web framework.
+        .package(url: "https://github.com/vapor/vapor.git", from: "4.0.0"),
+        .package(url: "https://github.com/swift-server-community/APNSwift.git", from: "5.0.0-alpha.1"),
+        .package(url: "https://github.com/uraimo/SwiftyGPIO.git", from: "1.0.0"),
+        .package(url: "https://github.com/christophhagen/BinaryCodable.git", from: "1.0.0"),
+    ],
+    targets: [
+        .target(
+            name: "App",
+            dependencies: [
+                .product(name: "Vapor", package: "vapor"),
+                .product(name: "APNSwift", package: "apnswift"),
+                .product(name: "BinaryCodable", package: "BinaryCodable"),
+                .product(name: "SwiftyGPIO", package: "SwiftyGPIO"),
+            ],
+            swiftSettings: [
+                // Enable better optimizations when building in Release configuration. Despite the use of
+                // the `.unsafeFlags` construct required by SwiftPM, this flag is recommended for Release
+                // builds. See <https://github.com/swift-server/guides/blob/main/docs/building.md#building-for-production> for details.
+                .unsafeFlags(["-cross-module-optimization"], .when(configuration: .release))
+            ]
+        ),
+        .executableTarget(name: "Run", dependencies: [.target(name: "App")]),
+        .testTarget(name: "AppTests", dependencies: [
+            .target(name: "App"),
+            .product(name: "XCTVapor", package: "vapor"),
+        ])
+    ]
+)