Adds watchOS support (#116)

* Adds watchOS support

Author: Biomass2857

.github/workflows/test.yml

@@ -28,7 +28,7 @@ jobs:
       uses: skiptools/swift-android-action@v2
 
   macos:
-    name: macOS, iOS, tvOS, Mac Catalyst (Xcode)
+    name: macOS, iOS, tvOS, Mac Catalyst (Xcode), watchOS
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v1
@@ -40,3 +40,5 @@ jobs:
       run: xcodebuild test -scheme SwiftCBOR -destination 'platform=tvOS Simulator,name=Any tvOS Simulator Device'
     - name: Test Mac Catalyst
       run: xcodebuild test -scheme SwiftCBOR -destination 'platform=macOS,variant=Mac Catalyst'
+    - name: Test watchOS
+      run: xcodebuild test -scheme SwiftCBOR -destination 'platform=watchOS Simulator,name=Any watchOS Simulator Device'

Package.swift

@@ -4,7 +4,7 @@ import PackageDescription
 
 let package = Package(
     name: "SwiftCBOR",
-    platforms: [.macOS(.v10_13), .iOS(.v13), .tvOS(.v13), .macCatalyst(.v13)],
+    platforms: [.macOS(.v10_13), .iOS(.v13), .tvOS(.v13), .macCatalyst(.v13), .watchOS(.v8)],
     products: [
         .library(name: "SwiftCBOR", targets: ["SwiftCBOR"])
     ],

SwiftCBOR.podspec

@@ -14,6 +14,7 @@ Pod::Spec.new do |s|
   s.ios.deployment_target = '13.0'
   s.osx.deployment_target = '10.13'
   s.tvos.deployment_target = '13.0'
+  s.watchos.deployment_target = '8.0'
 
   s.source_files = 'Sources/**/*.{swift,h}'