Add vim-gitgutter to configuration

.gitmodules

@@ -55,3 +55,6 @@
 [submodule "vim/.vim/nvim-bundle/LuaSnip"]
 	path = vim/.vim/nvim-bundle/LuaSnip
 	url = https://github.com/L3MON4D3/LuaSnip.git
+[submodule "vim/.vim/bundle/vim-gitgutter"]
+	path = vim/.vim/bundle/vim-gitgutter
+	url = https://github.com/airblade/vim-gitgutter.git

vim/.vim/bundle/vim-gitgutter

@@ -0,0 +1 @@
+Subproject commit 7b0b5098e3e57be86bb96cfbf2b8902381eef57c

vim/.vim/colors/halfdab.vim

@@ -157,6 +157,12 @@ exe "hi! PmenuSel"   .s:fg_black .s:bg_white
 exe "hi! PmenuSbar"  .s:fg_default .s:bg_black
 exe "hi! PmenuThumb" .s:fg_default .s:bg_black
 
+"{- More readable diffs
+exe "hi! DiffAdd" .s:fg_white .s:bg_green
+exe "hi! DiffChange" .s:fg_black .s:bg_yellow
+exe "hi! DiffDelete" .s:fg_white .s:bg_red
+exe "hi! DiffText" .s:fg_white .s:bg_red
+
 "if &background == "light"
 "	highlight Normal ctermfg=0 ctermbg=15
 "endif

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"