Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/textmate16.vim

@@ -0,0 +1,46 @@
+" Vim color scheme
+"
+" Name:         textmate16.vim
+" Maintainer:   Bruce Woodward <bruce.woodward@gmail.com>
+" Last Change:  06 Apr 2007
+"
+" This is a color scheme based on the colors from textmate when editing ruby
+" scripts. It was written to work under Mac OS X Terminal software using only
+" 16 colors.
+"
+hi clear
+if exists("syntax_on")
+   syntax reset
+endif
+
+let colors_name = "textmate16"
+
+
+if ! has("gui_running")
+  set t_Co=16
+  " do not change the background color
+  " It's expected that the user will change the background color to something
+  " dark.
+  highlight Normal ctermfg=White ctermbg=NONE
+  highlight Cursor ctermfg=Black ctermbg=Yellow 
+  highlight Keyword ctermfg=Brown
+  highlight Define ctermfg=Brown 
+  highlight Comment ctermfg=Darkmagenta
+  highlight rubySharpBang ctermfg=Darkmagenta
+  highlight Type ctermfg=White 
+  highlight rubySymbol ctermfg=Darkcyan 
+  highlight Identifier ctermfg=White 
+  highlight rubyStringDelimiter ctermfg=Darkgreen
+  highlight rubyInterpolation ctermfg=White
+  highlight rubyPseudoVariable ctermfg=White 
+  highlight Constant ctermfg=White 
+  highlight Function ctermfg=White 
+  highlight Include ctermfg=Brown 
+  highlight Statement ctermfg=Brown
+  highlight String ctermfg=Darkgreen 
+  highlight Search ctermbg=White 
+  highlight RubyInteger ctermfg=Darkred
+  highlight RubyFloat ctermfg=Darkred
+  highlight RubyDocumentation ctermfg=White ctermbg=Darkgrey
+endif
+