add updated application screenshot

[johnnyw-aws]

Issue #, if available:

Description of changes:

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[intpix]

should i update the screenshot to show the current UX? it's a bit different than the older UX as shown in this image.

[johnnyw-aws]

sounds good to me, thanks!