Added Swift Package Manifest

Package.swift

@@ -0,0 +1,31 @@
+// swift-tools-version:5.0
+
+//
+//  Package.swift
+//  CloudAccess
+//
+//  Created by Philipp Schmid on 24.09.20.
+//  Copyright © 2020 Skymatic GmbH. All rights reserved.
+//
+
+import PackageDescription
+
+let package = Package(
+	name: "CloudAccess",
+	platforms: [
+		.iOS(.v9)
+	],
+	products: [
+		.library(name: "CloudAccess", targets: ["CloudAccess"])
+	],
+	dependencies: [
+		.package(url: "https://github.com/cryptomator/cryptolib-swift.git", .upToNextMinor(from: "0.8.1")),
+		.package(url: "https://github.com/groue/GRDB.swift.git", .upToNextMinor(from: "4.14.0")),
+		.package(url: "https://github.com/google/promises.git", .upToNextMinor(from: "1.2.0"))
+	],
+	targets: [
+		.target(name: "CloudAccess", dependencies: ["CryptoLib", "GRDB", "Promises"], path: "CloudAccess"),
+		.testTarget(name: "CloudAccessTests", dependencies: ["CloudAccess"], path: "CloudAccessTests")
+	],
+	swiftLanguageVersions: [.v5]
+)