Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/native.vim

@@ -0,0 +1,55 @@
+"
+" Native Vim Color Scheme
+" =======================
+"
+" author:   Armin Ronacher <armin.ronacher@active-4.com>
+"
+set background=dark
+
+hi clear
+if exists("syntax_on")
+    syntax reset
+endif
+
+let colors_name = "native"
+
+" Default Colors
+hi Normal       guifg=#f2f2f2 guibg=#222222
+hi NonText      guifg=#444444 guibg=#111111
+hi Cursor       guibg=#aaaaaa
+hi lCursor      guibg=#aaaaaa
+
+" Search
+hi Search	    guibg=peru guifg=wheat
+hi IncSearch	cterm=NONE ctermfg=yellow ctermbg=green
+hi Search	cterm=NONE ctermfg=grey ctermbg=blue
+
+" Window Elements
+hi StatusLine   guifg=white guibg=#8090a0 gui=bold
+hi StatusLineNC guifg=#506070 guibg=#a0b0c0
+hi VertSplit    guifg=#a0b0c0 guibg=#a0b0c0
+hi Folded       guifg=#111111 guibg=#8090a0
+hi IncSearch	guifg=slategrey guibg=khaki
+
+" Specials
+hi Todo         guifg=#e50808 guibg=#520000 gui=bold
+hi Title        guifg=#ffffff gui=bold
+
+" Strings
+hi String       guifg=#ed9d13
+hi Constant     guifg=#ed9d13
+
+" Syntax
+hi Number       guifg=#3677a9
+hi Statement    guifg=#6ab825 gui=bold
+hi Function     guifg=#447fcf
+hi PreProc      guifg=#cd2828 gui=bold
+hi Comment      guifg=#999999 gui=italic
+hi Type         guifg=#bbbbbb gui=bold
+
+" Diff
+hi DiffAdd	    ctermbg=4
+hi DiffChange	ctermbg=5
+hi DiffDelete	cterm=bold ctermfg=4 ctermbg=6
+hi DiffText	    cterm=bold ctermbg=1
+