Docs: Mention tm_skills

[fkromer]

As a valuable temporary hint for every pytm user which does not know about https://github.com/izar/tm_skills yet. Might be worth to put a reference into this repos docs at some point in time... might be delegated to an agent potentially as well 😉

[izar]

You know, i keep forgetting to do that...I suck at this stuff.