added win81 for more backports

README.mdown

@@ -35,6 +35,8 @@ Reference these containers later with the names:
 
 - win_build
 
+- rust_build
+
 - winxp_build
 
 # Run Containers
@@ -82,12 +84,6 @@ services:
     volumes:
       - .:C:/source/
     command: powershell -Command Import-Module C:\\msvc\\Common7\\Tools\\Microsoft.VisualStudio.DevShell.dll; Enter-VsDevShell -VsInstallPath C:\\msvc\\
-
-  winxp_build:
-    image: winxp_build
-    volumes:
-      - .:C:/source/
-    command: cmd /k C:\\msvc\\Common7\\Tools\\VsDevCmd.bat
 ```
 
 # Optional Workstation Scripts

vs15.config

@@ -2,9 +2,11 @@
   "version": "1.0",
   "components": [
     "Microsoft.VisualStudio.Workload.VCTools",
+    "Microsoft.VisualStudio.ComponentGroup.NativeDesktop.Win81",
     "Microsoft.VisualStudio.ComponentGroup.NativeDesktop.WinXP",
     "Microsoft.VisualStudio.Component.VC.ATL",
     "Microsoft.VisualStudio.Component.VC.CMake.Project",
-    "Microsoft.VisualStudio.Component.Windows10SDK.17763"
+    "Microsoft.VisualStudio.Component.Windows10SDK.17763",
+    "Microsoft.VisualStudio.Component.Windows81SDK"
   ]
 }