start work to allow customizing command properties via configuration

SharedLibraryCore/Commands/CommandArgument.cs

@@ -0,0 +1,18 @@
+namespace SharedLibraryCore.Commands
+{
+    /// <summary>
+    /// Holds information about command args
+    /// </summary>
+    public class CommandArgument
+    {
+        /// <summary>
+        /// Name of the argument
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Indicates if the argument is required
+        /// </summary>
+        public bool Required { get; set; }
+    }
+}