Add watchOS support

- Supports watchOS 6.0 and above
  - Added to `Package.swift` for SPM
  - Added to `.podspec` files for Cocoapods
  - Added to Xcode project file for Carthage
- Updated README

Author: danielrbrowne

Package.swift

@@ -4,7 +4,7 @@ import PackageDescription
 
 let package = Package(
     name: "PusherSwift",
-    platforms: [.iOS("13.0"), .macOS("10.15"), .tvOS("13.0")],
+    platforms: [.iOS("13.0"), .macOS("10.15"), .tvOS("13.0"), .watchOS("6.0")],
     products: [
         .library(name: "PusherSwift", targets: ["PusherSwift"])
     ],

PusherSwift.podspec

@@ -18,4 +18,5 @@ Pod::Spec.new do |s|
   s.ios.deployment_target = '13.0'
   s.osx.deployment_target = '10.15'
   s.tvos.deployment_target = '13.0'
+  s.watchos.deployment_target = '6.0'
 end

PusherSwift.xcodeproj/project.pbxproj

@@ -686,9 +686,10 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = "";
-				SUPPORTED_PLATFORMS = "macosx appletvos iphoneos appletvsimulator iphonesimulator";
+				SUPPORTED_PLATFORMS = "macosx appletvos iphoneos watchos appletvsimulator iphonesimulator watchsimulator";
 				SWIFT_VERSION = 5.0;
 				TVOS_DEPLOYMENT_TARGET = 13.0;
+				WATCHOS_DEPLOYMENT_TARGET = 6.0;
 			};
 			name = Debug;
 		};
@@ -726,10 +727,11 @@
 				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.15;
 				SDKROOT = "";
-				SUPPORTED_PLATFORMS = "macosx appletvos iphoneos appletvsimulator iphonesimulator";
+				SUPPORTED_PLATFORMS = "macosx appletvos iphoneos watchos appletvsimulator iphonesimulator watchsimulator";
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				SWIFT_VERSION = 5.0;
 				TVOS_DEPLOYMENT_TARGET = 13.0;
+				WATCHOS_DEPLOYMENT_TARGET = 6.0;
 			};
 			name = Release;
 		};
@@ -785,7 +787,7 @@
 				PROVISIONING_PROFILE = "";
 				SDKROOT = "";
 				SKIP_INSTALL = YES;
-				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx appletvsimulator appletvos";
+				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx appletvsimulator appletvos watchsimulator watchos";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
@@ -840,7 +842,7 @@
 				PROVISIONING_PROFILE = "";
 				SDKROOT = "";
 				SKIP_INSTALL = YES;
-				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx appletvsimulator appletvos";
+				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx appletvsimulator appletvos watchsimulator watchos";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
 				VALIDATE_PRODUCT = YES;
@@ -894,9 +896,11 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.pusher.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = PusherSwiftTests;
 				SDKROOT = "";
-				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx appletvsimulator appletvos";
+				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx appletvsimulator appletvos watchsimulator watchos";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 5.0;
+				TVOS_DEPLOYMENT_TARGET = 13.0;
+				WATCHOS_DEPLOYMENT_TARGET = 6.0;
 			};
 			name = Debug;
 		};
@@ -938,9 +942,11 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.pusher.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = PusherSwiftTests;
 				SDKROOT = "";
-				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx appletvsimulator appletvos";
+				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx appletvsimulator appletvos watchsimulator watchos";
 				SWIFT_VERSION = 5.0;
+				TVOS_DEPLOYMENT_TARGET = 13.0;
 				VALIDATE_PRODUCT = YES;
+				WATCHOS_DEPLOYMENT_TARGET = 6.0;
 			};
 			name = Release;
 		};

PusherSwiftWithEncryption.podspec

@@ -18,4 +18,5 @@ Pod::Spec.new do |s|
   s.ios.deployment_target = '13.0'
   s.osx.deployment_target = '10.15'
   s.tvos.deployment_target = '13.0'
+  s.watchos.deployment_target = '6.0'
 end

README.md

@@ -22,7 +22,7 @@ For tutorials and more in-depth information about Pusher Channels, visit our [of
 - iOS 13.0 and above
 - macOS (OS X) 10.15 and above
 - tvOS 13.0 and above
-- Not currently compatible with watchOS
+- watchOS 6.0 and above
 
 ### Legacy OS support