Add support for reaching certain pages of the website directly

[arthur-1]

If someone enters a URL like 'ombre.io/downloads' have it automatically load on the download page instead of the home page.

[yoosofan]

Yes, it is important. In this new website, this good suggestion will be implemented. You can see my PR on #14 and my experimental download page on https://yoosofan.github.io/ombre-website/downloads.html