Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/beachcomber.vim

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+" Vim color file
+" beachcomber v1.0
+" Maintainer:	Rob Valentine <hjzx5ga02@sneakemail.com>
+
+" Beachcomber
+"
+" This theme is meant to remind one of a day at the beach.
+"
+" useful help screens & commands
+" :syntax
+" :he group-name
+" :he highlight-groups
+" :he cterm-colors
+"
+" useful online resource
+" http://www.colorpicker.com
+
+if version > 580
+    " no guarantees for version 5.8 and below, but this makes it stop
+    " complaining
+    hi clear
+    if exists("syntax_on")
+		syntax reset
+    endif
+endif
+
+let g:colors_name="beachcomber"
+
+hi Normal	guibg=#F1EFD8 guifg=#192B4E
+
+" syntax highlighting
+hi Comment	  guifg=#6C5B5B
+hi Title	guifg=#416B24
+hi Underlined guifg=#20b0eF gui=none
+hi Statement  guifg=#41898A
+hi Type		  guifg=#204546
+hi PreProc    guifg=#984D4D
+hi Constant	  guifg=#6A3F70
+hi Identifier guifg=#395420 
+
+"highlight groups
+hi Ignore	guifg=grey40
+hi Todo		guifg=#204546 guibg=#FFBCFD
+hi Cursor	 guibg=#A8CDCD guifg=#FF05EA
+hi MatchParen guibg=#FF05EA guifg=#A8CDCD
+hi Directory guifg=#395420
+hi DiffAdd guifg=#07AF07 guibg=#FFFFFF
+hi DiffChange guifg=#333333 guibg=#FFFFFF
+hi DiffDelete guifg=#FF0000 guibg=#FFFFFF
+hi DiffText guifg=#000000 guibg=#FFE572
+hi ErrorMsg guifg=#FFFFFF guibg=#0000FF
+hi VertSplit	guibg=#555555 guifg=#A3FFFE gui=none
+hi Folded	guibg=#7BD3D4 guifg=#2F2F2F
+hi FoldColumn	guibg=#7BD3D4 guifg=#2F2F2F
+hi LineNr   guifg=#2F2F2F guibg=#B8EAEB 
+hi NonText  guifg=#52503B guibg=#D8D6BC
+hi Search	guibg=#FDFF5B guifg=#52503B
+hi IncSearch	guifg=#FDFF5B guibg=#52503B
+hi StatusLine	guibg=#7BD3D4 guifg=#2F2F2F gui=none
+hi StatusLineNC	guibg=#555555 guifg=#A3FFFE gui=none
+hi Visual   guifg=#726F54 guibg=#D4FEFE
+hi Pmenu	guifg=#52503B guibg=#FAAFFF
+hi PmenuSel	guifg=#242318 guibg=#F375FB 
+"vim: sw=4