Support dynamic product

Author: andrii-vysotskyi-cko

Package.swift

@@ -5,7 +5,8 @@ let package = Package(
     name: "JOSESwift",
     platforms: [.iOS(.v13), .macOS(.v10_15), .watchOS(.v8), .tvOS(.v15), .visionOS(.v1)],
     products: [
-        .library(name: "JOSESwift", targets: ["JOSESwift"])
+        .library(name: "JOSESwift", targets: ["JOSESwift"]),
+        .library(name: "JOSESwift-Dynamic", type: .dynamic, targets: ["JOSESwift"])
     ],
     dependencies: [],
     targets: [