add spm package.swift and change version

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 *.xcuserdatad
+.swiftpm
 
 # Created by https://www.gitignore.io/api/xcode,osx
 

Package.swift

@@ -0,0 +1,22 @@
+// swift-tools-version:5.1
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+import PackageDescription
+
+let package = Package(
+    name: "netfox",
+    products: [
+        // Products define the executables and libraries produced by a package, and make them visible to other packages.
+        .library(
+            name: "netfox",
+            targets: ["netfox"]),
+    ],
+    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 which this package depends on.
+        .target(name: "netfox", dependencies: [], path: "netfox/")
+    ]
+)

netfox.xcodeproj/project.pbxproj

@@ -718,7 +718,7 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				MARKETING_VERSION = 1.18.0;
+				MARKETING_VERSION = 1.20.0;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.kasketis.netfox-iOS";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
@@ -740,7 +740,7 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				MARKETING_VERSION = 1.18.0;
+				MARKETING_VERSION = 1.20.0;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.kasketis.netfox-iOS";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;