Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/professional.vim

@@ -0,0 +1,62 @@
+" Vim color file
+" Maintainer: iyerns <iyerns AT gmail DOT com>
+" 
+" Comments are welcome !
+" Spammers will be shot. Survivors will be shot again
+" 
+" Last Change: 10 Sep 2005
+" Version:1.4
+" Changes:Changed background color for better tone 
+" Comment: Atlast, a professional colorscheme for Vim
+" Released by popular demand. in case other highlighting 
+" terms are to be included, please feel free to add those 
+" and send me your updated .vim file :) to be included in 
+" the next version.If there are enough requests, I will 
+" release a cterm version also. 
+" Recolored comments and Statement
+" Uses only safe HTML colors
+"
+
+set background=light
+hi clear
+if exists("syntax_on")
+	syntax reset
+endif
+let g:colors_name="professional"
+
+hi Normal   guifg=black	 guibg=#ffffdd 
+hi Statusline    gui=none guibg=#006666 guifg=#ffffff
+hi  VertSplit    gui=none guibg=#006666 guifg=#ffffff
+hi StatuslineNC  gui=none guibg=#666633 guifg=#ffffff
+
+hi Title    guifg=black	 guibg=white gui=BOLD
+hi lCursor  guibg=Cyan   guifg=NONE
+hi LineNr   guifg=white guibg=#006666 
+"guibg=#8c9bfa
+
+" syntax highlighting groups
+hi Comment    gui=NONE guifg=SteelBlue
+hi Operator   guifg=#ff0000
+
+hi Identifier guifg=#339900 gui=NONE
+
+hi Statement	 guifg=orange gui=NONE
+hi TypeDef       guifg=#c000c8 gui=NONE
+hi Type          guifg=#0000c8 gui=NONE
+hi Boolean       guifg=#0000aa gui=NONE
+
+hi String        guifg=#006600 gui=NONE
+hi Number        guifg=#9933ff gui=NONE
+hi Constant      guifg=#ff8080 gui=NONE
+
+hi Function      gui=NONE      guifg=#6600ff 
+hi PreProc       guifg=#993300 gui=NONE
+hi Define        gui=bold guifg=#ff0000 
+
+hi Keyword       guifg=#ff8088 gui=NONE
+hi Search        gui=NONE guibg=#ffff00 
+"guibg=#339900
+hi IncSearch     gui=NONE guifg=#ffff00 guibg=#990000
+hi Conditional   gui=none guifg=#660000 guibg=#ffffff
+hi browseDirectory  gui=none guifg=#660000 guibg=#ffffff
+