dead link on main docs page

[sknebel]

at https://www.codelingo.io/docs/#tenets "Explore published Tenets" points to https://dev.codelingo.io/codelingo/tenets, which just replies default backend - 404

I've been clicking around on your docs page a bit now and still haven't found a concise example or description of how the markup actually works. Having a playground in the Quickstart is a good idea, but it should have some interesting examples prepared to look at and play with to give a good first impression.