Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/blugrine.vim

@@ -0,0 +1,42 @@
+" author Helder Correia < helder (dot) correia (at) netcabo (dot) pt>
+" version 2004.0
+" based on bluegreen colorscheme by Joao Estevao
+" feel free to modify / redistribute this file
+
+set background=dark
+hi clear
+if exists("syntax_on")
+    syntax reset
+endif
+let g:colors_name="blugrine"
+
+hi Normal	guifg=White guibg=#000000
+
+" highlight groups
+hi Cursor	guibg=#D74141 guifg=#e3e3e3
+hi VertSplit guibg=#C0FFFF guifg=#075554 gui=none
+hi Folded		guibg=#FFC0C0 guifg=black
+hi FoldColumn	guibg=#800080 guifg=tan
+hi ModeMsg guifg=#404040 guibg=#C0C0C0
+hi MoreMsg guifg=darkturquoise guibg=#188F90
+hi NonText guibg=#334C75 guifg=#9FADC5
+hi Question	guifg=#F4BB7E
+hi Search guibg=fg guifg=bg 
+hi SpecialKey	guifg=#BF9261
+hi StatusLine	guibg=#004443 guifg=#c0ffff gui=none
+hi StatusLineNC	guibg=#067C7B guifg=#004443 gui=bold
+hi Title	guifg=#8DB8C3
+hi Visual gui=bold guifg=black guibg=#C0FFC0
+hi WarningMsg	guifg=#F60000 gui=underline
+
+" syntax highlighting groups
+hi Comment guifg=#DABEA2
+hi Constant guifg=#72A5E4 gui=bold
+hi Identifier	guifg=#ADCBF1
+hi Statement guifg=#7E75B5
+hi PreProc guifg=#14F07C
+hi Type	guifg=#A9EE8A
+hi Special guifg=#EEBABA
+hi Ignore	guifg=grey60
+hi Todo	guibg=#9C8C84 guifg=#244C0A
+