Add Forums link

No link to forums forums.whonix.org on the general page https://www.whonix.org/

and wiki link

https://www.forums.whonix.org no work, work only without “www”.

Darian:

No link to forums forums.whonix.org on the general page https://www.whonix.org/

There is only a link to ‘HELP’ on purpose to avoid flooding the forum
with topics that are better discussed in more appropriate places for
various reasons. (Saving Whonix resources, addressing the right
recipient, specialized expertise.)