Consider alternate license rather than GNUv3 sql-alwayson-md-ilb-zones

[JustinGrote]

@robotechredmond sql-alwayson-md-ilb-zones

Issue Details

The current GPLv3 license means that private companies can't take this demo template and adapt it to their internal needs without releasing the code, which would give indications of the internal environment modifications and compromising security. Consider a more permissive license like LGPL or MIT.