Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/widower.vim

@@ -0,0 +1,43 @@
+" Vim color file
+" Dark (red on black) color scheme.
+" Maintainer: greg frohring <greg@derelictshores.com>
+" Last Change: 1/13/2009
+" Licence: Public Domain
+
+" INSTALLATION: copy this file to ~/vimXX/colors/ directory
+" and add "colorscheme widower" to your ~/.vimrc file
+
+set background=dark
+hi clear
+if exists("syntax_on")
+  syntax reset
+endif
+"colorscheme default
+let g:colors_name = "widower"
+
+" hardcoded colors :
+" GUI Comment : 
+" 		#572829 = plumish
+" 		#F1A107 = orange
+
+" GUI
+highlight Normal     guifg=Red   guibg=Black
+highlight Search     guifg=#572829 guibg=Yellow gui=underline
+highlight Visual     guifg=Black guibg=DarkGrey 
+highlight Cursor     guifg=Black  guibg=Green gui=bold
+highlight Special    guifg=Orange
+highlight Comment    guifg=#777799 
+highlight Statement  guifg=Orange guibg=#444444 gui=underline
+highlight Type       guifg=#F1A107
+
+highlight VertSplit    gui=bold guifg=Grey25    guibg=Black
+highlight StatusLine   gui=bold guifg=White     guibg=Grey25
+highlight StatusLineNC gui=NONE guifg=LightGrey guibg=Grey25
+
+highlight FoldColumn     gui=bold guifg=White guibg=Black
+
+highlight String guifg=#CCAAAA
+highlight Constant guifg=Green
+highlight Include guifg=#d632D4
+highlight Operator guifg=Orange guibg=#222222
+