Added MS windows install guide

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@2531 b32b6428-25c9-4566-ad07-03861ab6144f

README.rst

@@ -7,6 +7,9 @@ Requirements
 ~~~~~~~~~~~~
 To install xAAL for Python, you need Python3. Python version 3 isn't mandatory
 but highly recommended (some parts haven't be tested with Python 2 since a while).
+
+Un*x like
+~~~~~~~~~~
 Install the following packages: 
   
 - subversion 
@@ -34,10 +37,7 @@ First build a virtualenv :
 .. code-block:: bash
                 
    # for debian / ubuntu
-   $ python3 -m virtualenv --python=python3 xaal_env
-
-   # or
-   $ virtualenv3 xaal_env 
+   $ python3 -m venv xaal_env
 
 
 Everytime, you want to use the binding, you must source the activate script.
@@ -136,6 +136,30 @@ To check devices, you can use:
    $ xaal-walker lamp.any
 
 
+
+Windows 
+~~~~~~~
+This code can be used w/ Windows (tested w/ Win10 and Python 3.8). You can build
+the virtualenv with the same way. To activate the venv, you should run Scripts\activate.bat.
+For Powershell users (recommanded), you must tweak the ExecutionPolicy
+to be able to run Activate.ps1. 
+
+  .. code-block::
+
+      Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser  
+
+To must install libsodium. You can dowload it here: https://download.libsodium.org/libsodium/releases/
+Extract the DLL from the zip file (libsodium-1.0.18-stable-msvc.zip\libsodium\x64\Release\v142\dynamic)
+in the Win32 DLL folder. 
+
+If everything is fine, you can use exactly the same commands on Un*x and Windows. The xaal-* commands
+are just renamed with an exe extension (ie: xaal-dumper.exe)
+
+Issues: 
+~~~~~~~
+Right now some gateways won't work on Windows due to missing libaries (openZwave ie)
+
+
 Coding style
 ~~~~~~~~~~~~
 Every xAAL program (device, gateway, apps) use a namespace. For example, xaal.rest,
@@ -179,3 +203,4 @@ FAQ
   much for a simple command-line tools like xaal-info for example.
   We want to provide a better user experience.
   
+