Dev01 folder watcher module helper

dev01-folder-watcher.exe -addr=[:8090] -app.url=http://dev01.com/api/fw -app.secret=[secret word]

# install as Windows service
dev01-folder-watcher.exe -srv.install

# start as Windows service
dev01-folder-watcher.exe -srv ...

# uninstall Windows service
dev01-folder-watcher.exe -srv.uninstall