Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/aqua.vim

@@ -0,0 +1,44 @@
+" Vim color file
+" Maintainer:   tranquility@portugalmail.pt
+" Last Change:  6 Apr 2002
+
+
+" cool help screens
+" :he group-name
+" :he highlight-groups
+" :he cterm-colors
+
+set background=dark
+hi clear
+if exists("syntax_on")
+    syntax reset
+endif
+let g:colors_name="aqua"
+
+hi Normal				guibg=steelblue guifg=linen
+hi Cursor				guibg=lightblue3 guifg=black gui=bold
+hi VertSplit		guifg=white guibg=navyblue gui=none
+hi Folded				guibg=darkblue guifg=white
+hi FoldColumn		guibg=lightgray guifg=navyblue
+hi ModeMsg			guifg=black guibg=steelblue1
+hi MoreMsg			guifg=black guibg=steelblue1
+hi NonText			guifg=white guibg=steelblue4 gui=none
+hi Question			guifg=snow
+hi Search				guibg=#FFFFFF guifg=midnightblue gui=bold
+hi SpecialKey		guifg=navyblue
+hi StatusLine		guibg=skyblue3 guifg=black gui=none
+hi StatusLineNC	guibg=skyblue1 guifg=black gui=none
+hi Title				guifg=bisque3
+hi Subtitle			guifg=black
+hi Visual				guifg=white guibg=royalblue4 gui=none
+hi WarningMsg		guifg=salmon4 guibg=gray60 gui=bold
+hi Comment			guifg=lightskyblue
+hi Constant			guifg=turquoise gui=bold
+hi Identifier		guifg=lightcyan
+hi Statement		guifg=royalblue4
+hi PreProc			guifg=black gui=bold
+hi Type					guifg=lightgreen
+hi Special			guifg=navajowhite
+hi Ignore				guifg=grey29
+hi Todo					guibg=black guifg=white
+hi WildMenu			guibg=aquamarine