Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/chrysoprase.vim

@@ -0,0 +1,53 @@
+" Chrysoprase color theme for (G)Vim, version 0.0.2
+" by Antoine Kalmbach <antoine dot kalmbach at jyu dot fi>
+
+hi clear
+if exists("syntax_on")
+  syntax reset
+endif
+
+let colors_name = "chrysoprase"
+
+hi CursorLine guibg=#cccccc
+hi CursorColumn guibg=#cccccc
+hi MatchParen guifg=white guibg=#dd1144 gui=bold
+hi TabLine guifg=white guibg=#445588 gui=italic
+hi TabLineFill guifg=#9098a0
+hi TabLineSel guifg=white guibg=#dd1144 gui=bold
+hi Pmenu guifg=#222222 guibg=#990000
+hi Title      guifg=#202020 gui=bold
+hi Underlined  guifg=#202020 gui=underline
+hi Cursor    guifg=white   guibg=#333333
+hi lCursor   guifg=black   guibg=white
+hi LineNr    guifg=#444444 guibg=#dddddd 
+hi Normal    guifg=#000000   guibg=#eeeeee
+hi StatusLine guifg=white guibg=#8090a0 gui=bold,italic
+hi StatusLineNC guifg=white guibg=#a0b0c0 gui=none
+hi VertSplit guifg=#111111 guibg=#a0b0c0 gui=NONE
+hi Folded    guifg=#111111 guibg=white
+hi Keyword   guifg=green gui=bold
+hi PreProc   guifg=#111111 gui=bold
+hi NonText   guifg=#111111 guibg=white
+hi Comment   guifg=#555555 gui=bold,italic
+hi Constant  guifg=#a512d5
+hi String    guifg=#dd1144
+hi Number    guifg=#005599
+hi Float      guifg=#0088BB
+hi Statement  guifg=#111111 gui=bold
+hi Type       guifg=#445588 
+hi Structure  guifg=black gui=bold
+hi Function   guifg=#990000 gui=bold
+hi Identifier guifg=#445588 gui=bold
+hi Repeat      guifg=#222222 gui=bold
+hi Conditional guifg=#222222 gui=bold
+hi Define     guifg=#222222 gui=bold
+hi Error      guifg=white guibg=#990022 gui=none
+hi Todo       guifg=white guibg=#dd1144 gui=bold,underline
+hi Special    guifg=#dd1144 
+hi Operator   guifg=#222222 gui=bold
+hi SpecialKey guifg=#994400 guibg=#e8e8e8 gui=bold  
+hi DiffChange guifg=NONE guibg=#e0e0e0 gui=italic,bold
+hi DiffText guifg=NONE guibg=#f0c8c8 gui=italic,bold
+hi DiffAdd guifg=NONE guibg=#c0e0d0 gui=italic,bold
+hi DiffDelete guifg=NONE guibg=#f0e0b0 gui=italic,bold
+