Add Swift Package Manager support. (#3)

* Add `Package.swift` for Swift Package Manager support.
* Update version to 1.0.1 for release.

Cully.xcodeproj/project.pbxproj

@@ -35,6 +35,7 @@
 		0008D11622F6E05E006D1408 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		0008D12322F6E1AB006D1408 /* UIView+Cully.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIView+Cully.swift"; sourceTree = "<group>"; };
 		003609B422F7B9E00080D870 /* Collection+Cully.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Collection+Cully.swift"; sourceTree = "<group>"; };
+		007BA7DE2311FBCD00592697 /* Package.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Package.swift; sourceTree = SOURCE_ROOT; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -77,6 +78,7 @@
 		0008D10822F6E05E006D1408 /* Cully */ = {
 			isa = PBXGroup;
 			children = (
+				007BA7DE2311FBCD00592697 /* Package.swift */,
 				0008D12222F6E197006D1408 /* Source */,
 				0008D12122F6E15A006D1408 /* Resources */,
 			);
@@ -385,6 +387,7 @@
 					"@executable_path/Frameworks",
 					"@loader_path/Frameworks",
 				);
+				MARKETING_VERSION = 1.0.1;
 				PRODUCT_BUNDLE_IDENTIFIER = com.staykids.Cully;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
@@ -412,6 +415,7 @@
 					"@executable_path/Frameworks",
 					"@loader_path/Frameworks",
 				);
+				MARKETING_VERSION = 1.0.1;
 				PRODUCT_BUNDLE_IDENTIFIER = com.staykids.Cully;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;

Cully/Resources/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0</string>
+	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 </dict>

Package.swift

@@ -0,0 +1,20 @@
+// swift-tools-version:4.0
+import PackageDescription
+
+let package = Package(
+    name: "Cully",
+    products: [
+      .library(
+        name: "Cully",
+        targets: ["Cully"]
+      ),
+    ],
+    dependencies: [],
+    targets: [
+      .target(
+        name: "Cully",
+        dependencies: [],
+        path: "Cully"
+      )
+    ]
+)

README.md

@@ -90,12 +90,12 @@ myView.constraints(activate: topConstraint)
 
 ## Installation
 
-Give [Carthage](https://github.com/Carthage/Carthage) a try, how 'bout?
+Cully supports the Swift Package Manager in Xcode 11. Or give [Carthage](https://github.com/Carthage/Carthage) a try, how 'bout?
 
 1. Add the following to your `Cartfile`:
 
     ```swift
-    github "staykids/Cully" "1.0"
+    github "staykids/Cully" "1.0.1"
     ```
 
 2. Follow the [Carthage instructions for adding a framework to your project](https://github.com/Carthage/Carthage#adding-frameworks-to-an-application).