Use silver search for fzf

Force fzf to respect the .gitignore by using the silver searcher

README.md

@@ -7,6 +7,7 @@
 * [zsh](https://github.com/zsh-users/zsh)
 * [neovim](https://github.com/neovim/neovim)
 * [fzf](https://github.com/junegunn/fzf)
+* [ag](https://github.com/ggreer/the_silver_searcher)
 
 ## Setup
 

vimrc

@@ -165,6 +165,9 @@ syntax enable
 
 highlight ExtraWhitespace ctermbg=196
 
+" fzf
+let $FZF_DEFAULT_COMMAND = 'ag -g ""'
+
 " ZoomWin
 function! ZoomState()
   if exists('t:zoomwintab')