Add vim-gitgutter to configuration

vim/.vimrc

@@ -148,6 +148,14 @@ set nocompatible
 
 "{- PLUGINS -}"
 
+  "{- GITGUTTER -}"
+    " Make the gutters look pretty
+      " highlight! link LineNr SignColumn 
+      " " highlight SignColumn ctermbg=black guibg=black ctermfg=white guifg=white
+      let g:gitgutter_set_sign_backgrounds = 1
+    " Change update time to get faster updates
+      set updatetime=1000
+
   "{- SLIME -}"
     " Use screen as slime's target
       let g:slime_target = "screen"