Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/Dark2.vim

@@ -0,0 +1,91 @@
+"
+" A color scheme that uses the colors from "Dark", but the arrangement of
+" "Light".
+"
+
+
+" Restore default colors
+hi clear
+set background=dark
+
+if exists("syntax_on")
+    syntax reset
+endif
+
+let g:colors_name = "Dark2"
+
+
+hi Cursor guibg=IndianRed
+
+hi Normal  guibg=Black   guifg=GhostWhite
+hi NonText guibg=grey10  guifg=yellow3
+hi Folded guifg=grey90 guibg=grey45
+
+
+
+
+"
+" Brown / Tan
+"
+hi Statement  guifg=tan
+
+
+
+"
+" Red
+"
+hi PreProc guifg=#FF7070   gui=none
+hi Error guibg=red3
+hi WarningMsg guifg=red guibg=GhostWhite gui=bold
+
+
+"
+" Green
+"
+hi Comment guifg=#80CC80 gui=none
+hi Visual gui=reverse guibg=fg guifg=darkolivegreen
+
+
+"
+" Yellow
+"
+hi Special    guifg=#DDDD00 gui=none
+
+
+"
+" Blue
+"
+hi Identifier guifg=SkyBlue gui=none
+hi Search guibg=LightSkyBlue3 guifg=black gui=none
+"hi IncSearch guibg=LightSkyBlue3 guifg=yellow gui=bold
+hi IncSearch guibg=blue guifg=yellow gui=bold
+
+hi link Function Identifier
+
+
+"
+" Purple
+"
+
+hi Type guifg=LightMagenta gui=none
+
+
+"
+" Cyan
+"
+
+
+
+"
+" Orange
+"
+hi String guifg=orange2      gui=none
+
+
+"
+" Misc
+"
+hi! link SpecialKey Identifier
+hi! link Directory Identifier
+
+