Add some images for a blog post.
* blog-files/console-improvements/array-api.png: Added.
* blog-files/console-improvements/collections.png: Added.
* blog-files/console-improvements/console-messages.png: Added.
* blog-files/console-improvements/interactivity.m4v: Added.
* blog-files/console-improvements/iterators.png: Added.
* blog-files/console-improvements/localStorage-api.png: Added.
* blog-files/console-improvements/object-preview.png: Added.
* blog-files/console-improvements/object-tree.png: Added.
* blog-files/console-improvements/promises.png: Added.
* blog-files/console-improvements/tooltip-1.png: Added.
* blog-files/console-improvements/tooltip-2.png: Added.
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@185921
268f45cc-cd09-0410-ab3c-
d52691b4dbfc