Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/tomatosoup.vim

@@ -0,0 +1,80 @@
+" Vim color file
+" Maintainer:   Michael Brailsford <brailsmt@yahoo.com>
+" Date:			$Date: 2002/04/11 03:29:51 $ 
+" Version: 		$Revision: 1.4 $
+
+" cool help screens
+" :he group-name
+" :he highlight-groups
+" :he cterm-colors
+
+" your pick:
+set background=dark	
+hi clear
+if exists("syntax_on")
+    syntax reset
+endif
+let g:colors_name="tomatosoup"
+
+hi Normal guifg=black guibg=tomato1 ctermfg=14
+
+"Toggle semicolon matching at the end of lines
+nmap <silent> <leader>; :call ToggleSemicolonHighlighting()<cr>
+"{{{
+function! ToggleSemicolonHighlighting()
+	if exists("b:semicolon")
+		unlet b:semicolon
+		hi semicolon guifg=NONE gui=NONE ctermfg=NONE
+	else
+		syn match semicolon #;$#
+		hi semicolon guifg=red gui=bold ctermfg=1
+		let b:semicolon = 1
+	endif
+endfunction
+"}}}
+
+hi Cursor guifg=bg guibg=fg ctermfg=0 ctermbg=11
+"hi CursorIM	
+hi Directory gui=bold
+hi DiffAdd guifg=yellow guibg=darkgreen ctermbg=0
+"hi DiffChange	
+"hi DiffDelete	
+"hi DiffText	
+hi ErrorMsg	guibg=red ctermfg=1
+"hi VertSplit	
+hi Folded guibg=darkred ctermbg=4 guifg=gold ctermfg=11 gui=bold
+hi FoldColumn guibg=darkred ctermbg=14 guifg=gold ctermfg=11 gui=bold
+"hi IncSearch	
+hi LineNr guifg=yellow ctermfg=11
+hi ModeMsg guifg=yellow gui=bold
+"hi MoreMsg		
+"hi NonText		
+"hi Question	
+hi Search guibg=yellow guifg=bg
+"hi SpecialKey	
+hi StatusLine guifg=brown
+hi StatusLineNC guifg=darkred
+"hi Title		
+hi Visual guifg=fg guibg=bg
+"hi VisualNOS	
+"hi WarningMsg	
+"hi WildMenu	
+"hi Menu		
+"hi Scrollbar	
+"hi Tooltip		
+
+" syntax highlighting groups
+hi Comment guifg=pink ctermfg=10
+hi Constant	guifg=lightmagenta gui=bold ctermfg=13
+hi String guifg=grey85 ctermfg=5
+hi Character guifg=violet ctermfg=5
+hi Number guifg=red ctermfg=5
+"hi Identifier	
+hi Statement guifg=khaki1 gui=bold ctermfg=15 cterm=underline
+hi PreProc guifg=white gui=italic ctermfg=9
+hi Type	guifg=yellow gui=bold ctermfg=3
+hi Special guifg=red gui=bold
+"hi Underlined	
+"hi Ignore		
+"hi Error		
+hi Todo guifg=yellow guibg=blue gui=bold