Re-visit manor generation routing

[Azgaar]

Summary: Re-visit manor generation routing in order to allow manor ranging and roads generation
Version: Demo
Type: Enhancement

This was partially done, e.g. https://jsfiddle.net/e6eqv57q/775. But I want to re-visit and implement this option to a demo version.

[Azgaar]

Changes are done, new blog post is coming.