vim: prevent fo/n from using plain numbers in text

The problem, in an example, is that when I have a number leading a line such as
11 here, it would previously think this was a numbered list item such as 11.
and then subsequently indent the next line down.  It doesn't now.
vim: two new plugins for textobjects, wildfire and jaddy

- wildfire, which makes selecting the current and surrounding objects easier
- jaddy, which gives json data their own objects