More silly text/gemini spec proposals

[Felix Queißner]

> I get this, but honestly if there's one sure-fire way to allow corporate
> branding, ads, and other evilness into gemini, I really believe it's this.
> 
> Anyway, if you want these things, you can always just serve text/html or
> text/markdown over gemini.

Also, nobody forbids that a client *may* serve links to images/videos
inline instead of displaying them only as a link.

We have the freedom to do so and nobody is hurt by doing or not doing it