Add bootstrap-Windows.cmd

usage: bootstrap-Windows.cmd [/?]

Bootstrap a macOS instance with:

* Windows SDK - from MSDN
* Chocolatey - package manager
* Cmder, including Git - from Chocolatey
* Python - from Chocolatey
* virtualenv - from pip
* SSH key - from ssh-keygen
* GitHub public key - with SSH key
* GitLab public key - with SSH key
* BitBucket Cloud public key - with SSH key
* Gogs Cloud public key - with SSH key
* conduit - configuration manager

optional arguments:
        /?              show this help message and exit

bootstrap-Windows.cmd

@@ -38,7 +38,7 @@ if errorlevel 1 (
 :: Install Windows SDK
 :windows_sdk
 set choice=
-set /p choice="Install Windows SDK [Y/n]? "
+set /p choice="Install Windows SDK [Y/n]?"
 if "%choice%"=="" goto windows_sdk_yes
 if "%choice%"=="Y" goto windows_sdk_yes
 if "%choice%"=="y" goto windows_sdk_yes
@@ -159,21 +159,6 @@ if errorlevel 1 exit /B 1
 if errorlevel 1 exit /B 1
 :remote_ssh_keys_no
 
-:: Install conduit
-:conduit
-set choice=
-set /p choice="Install conduit [Y/n]? "
-if "%choice%"=="" goto conduit_yes
-if "%choice%"=="Y" goto conduit_yes
-if "%choice%"=="y" goto conduit_yes
-if "%choice%"=="N" goto conduit_no
-if "%choice%"=="n" goto conduit_no
-echo invalid value: %choice%
-goto conduit
-:conduit_yes
-"C:\Python27\Scripts\pip.exe" install git+ssh://git@github.com/kbenzie/conduit.git
-:conduit_no
-
 :remove_bootstrap
 set choice=
 set /p choice="Remove bootstrap-Windows.cmd [y/N]? "