Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/tolerable.vim

@@ -0,0 +1,43 @@
+" Vim color file
+" Maintainer:   Ian Langworth
+" Last Change:  2004 Dec 24
+" Email:        <langworth.com>
+
+" Color settings inspired by BBEdit for Mac OS, plus I liked
+" the low-contrast comments from the 'oceandeep' colorscheme
+
+set background=light
+hi clear
+if exists("syntax_on")
+    syntax reset
+endif
+let g:colors_name="tolerable"
+
+hi Cursor       guifg=white guibg=darkgreen
+
+hi Normal       gui=none guifg=black guibg=white
+hi NonText      gui=none guifg=orange guibg=white
+
+hi Statement    gui=none guifg=blue
+hi Special      gui=none guifg=red
+hi Constant     gui=none guifg=darkred
+hi Comment      gui=none guifg=#555555
+hi Preproc      gui=none guifg=darkcyan
+hi Type         gui=none guifg=darkmagenta
+hi Identifier   gui=none guifg=darkgreen
+hi Title        gui=none guifg=black
+
+hi StatusLine   gui=none guibg=#333333 guifg=white
+hi StatusLineNC gui=none guibg=#333333 guifg=white
+hi VertSplit    gui=none guibg=#333333 guifg=white
+
+hi Visual       gui=none guibg=green guifg=black
+hi Search       gui=none guibg=yellow
+hi Directory    gui=none guifg=darkblue
+hi WarningMsg   gui=none guifg=red 
+hi Error        gui=none guifg=white guibg=red
+hi Todo         gui=none guifg=black guibg=yellow
+
+hi MoreMsg      gui=none
+hi ModeMsg      gui=none
+