Adding D3TableFilter to the widgets list

[ThomasSiegmund]

Hi Joe,

D3TableFilter now fully supports crosstalk.

Thanks once more for your amazing work!

Best
Thomas

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[thomascwells]

@ThomasSiegmund - Just curious: is there a reason you don't want to sign the CLA?

I ended up here because I noticed the list of "crosstalk compatible" widgets is very limited. I wanted to know if crosstalk development has stagnated or if the list was just out of date. It'd be great to see more widgets on the list!