Adding cpu count and ram size to server info (#1220)

* adding network file validator contract

* Adding additional properties to serverInfo

* Renaming to serversysinfo

* fixing var name

* Changed to smo to get the properties

* Fixing casting error

* renaming to sysinfo

* Removing unused sql scripts

* Throwing an error and renaming classes

* Changing Physicalmemory prop name from kb to mb

* pushing prop name change

* fixing comment

src/Microsoft.SqlTools.ServiceLayer/Connection/Contracts/ServerInfo.cs

@@ -67,6 +67,16 @@ namespace Microsoft.SqlTools.ServiceLayer.Connection.Contracts
         /// </summary>
         public string MachineName { get; set; }
 
+        /// <summary>
+        /// The CPU count of the host running the server.
+        /// </summary>
+        public int CpuCount;
+
+        /// <summary>
+        /// The physical memory of the host running the server in MBs.
+        /// </summary>
+        public int PhysicalMemoryInMB;
+
         /// <summary>
         /// Server options
         /// </summary>