refact

src/nuget-cli/Program.Commands.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Threading.Tasks;
 
 namespace nuget_cli
 {
@@ -21,12 +22,17 @@ namespace nuget_cli
             throw new NotImplementedException();
         }
 
-        private static object PushPkg(IEnumerable<string> pkgs)
+        private static async Task<List<PushReport>> PushPkgAsync(IEnumerable<string> pkgs)
         {
+            List<PushReport> pushReports = new List<PushReport>();
+
             foreach (string pkg in pkgs)
             {
-                
+                var report = await PushCommand.RunAsync(pkg,source,apiKey);
+
+                pushReports.Add(report);
             }
+            return pushReports;
         }
 
         private static object StoreApiKey(IEnumerable<string> str)