Add link to datafusion ballista at the datafusion site landing page

[milenkovicm]

Is your feature request related to a problem or challenge?

At the moment datafusio.apache.org landing page links only DF python and comet as user facing sub-projects.

Describe the solution you'd like

I would like to propose to add ballista as the third one in the list as well, and maybe a line explaining datafusion distribution is available using ballista, similar to last sentence in the screen shot "python bindings are ..."

Describe alternatives you've considered

No response

Additional context

No response

[yhamacnu]

Looking for a good first issue: can I take this one?

[milenkovicm]

Looks like you're too late @yhamacnu there is a pr already