Use of tfrmt and docorator in TLG examples

[bms63]

We should look at adding examples of using {tfrmt} and {docorator} in the example page.

@bzkrouse is looking at someone from GSK helping to lead this.

These could either be whole new TLGs or add onto the existing TLGs

https://pharmaverse.github.io/examples/
https://pharmaverse.github.io/examples/tlg/demographic.html

FYI - @rossfarrugia and @orladoylenvs