More silly text/gemini spec proposals

[Felix Queißner]

> # Blockquotes
> 
> Pretty much the same as in Markdown:
> 
>  >> Gemini is a new, collaboratively designed internet protocol, which explores 
> the space in between gopher and the web.
>  >>
>  >> It strives to address (perceived) limitations of one while avoiding the 
> (undeniable) pitfalls of the other.
>  > I think we need to be careful, because we could very well
>  >
>  > uh
>  >
>  > inherit the worst of both of them

I think block quotes may be a nice rendering extension, but are not
essential, as we can always just use the text in raw form instead of
having a defined formatting.