Merge pull request #9 from brokenhandsio/ios-support

Add experimental iOS support

Author: 0xTim

Package.swift

@@ -6,7 +6,8 @@ import PackageDescription
 let package = Package(
     name: "elasticsearch-nio-client",
     platforms: [
-       .macOS(.v10_15)
+       .macOS(.v10_15),
+       .iOS(.v13)
     ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.