Raildriver help added

To be tested when not available: in OptionsDriver.cs remove // from line #if !DEBUG and #endif in function InitializeRailDriverSettings

Author: sweiland-openrails

Source/Menu/Options.Designer.cs

@@ -1043,6 +1043,12 @@ private void HelpIcon_Click(object sender, EventArgs _)
                     BaseDocumentationUrl + "/options.html#keyboard-options"
                 },
 
+                // Raildriver tab
+                {
+                    pbRailDriverOptions,
+                    BaseDocumentationUrl + "/options.html#raildriver-options"
+                },
+
                 // Experimental tab
                 {
                     pbSuperElevation,