[fix] macos spm

Author: DmitriyTor

Package.swift

@@ -5,7 +5,7 @@ import PackageDescription
 
 let package = Package(
     name: "ESFileManager",
-    platforms: [.iOS(.v11)],
+    platforms: [.iOS(.v11), .macOS(.v10_12)],
     products: [
         // Products define the executables and libraries produced by a package, and make them visible to other packages.
         .library(