[ftr] Add a TEI with @style and @rendition examples

[daniel-jettka]

Is your feature request related to a problem? Please describe.
It's possible to use @style and @rendition in tei:* elements and specify styles this way which are rendered by tei2html stylesheet/s. This should be shown in the EditionExample

Describe the solution you'd like
Add a TEI file and integrate into the navigation and show examples