Adds win batch that implements workaround to watch source files in wi… (#111)

* Adds win batch that implements workaround to watch source files in windows in development mode. See issue #93.

* If fails to create venv, then installs in system python. Tested in win computer.

Author: pcrespov

scripts/win-watcher.bat

@@ -0,0 +1,26 @@
+@echo on
+:: Run this script to watch changes in files on a windows host.
+:: This provides a workaround to overcome a known limitation of docker for windows [1]
+::
+:: REQUIRES python 3 installed and in the system path
+::
+:: [1] https://docs.docker.com/docker-for-windows/troubleshoot/#/inotify-on-shared-drives-does-not-work
+:: [2] http://blog.subjectify.us/miscellaneous/2017/04/24/docker-for-windows-watch-bindings.html
+::
+
+python --version
+
+:: installs tool in a venv (expects python 3)
+python -m venv .VENV
+
+if %ERRORLEVEL% EQU 0 (
+	.VENV/bin/pip install --upgrade pip
+	.VENV/bin/pip install docker-windows-volume-watcher	
+	:: runs watcher
+	.VENV/bin/activate
+) else (
+	python -m pip install --upgrade pip
+	python -m pip install docker-windows-volume-watcher
+)
+
+docker-volume-watcher