Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/darkblue2.vim

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+" Vim color file
+" Maintainer: Datila Carvalho <datila@hotmail.com>
+" Last Change: May, 19, 2005
+" Version: 0.2
+
+" This is a VIM's version of the emacs color theme
+" _Dark Blue2_ created by Chris McMahan.
+
+""" Init stuff
+
+set background=dark
+hi clear
+if exists("syntax_on")
+    syntax reset
+endif
+
+let g:colors_name = "darkblue2"
+
+
+""" Colors
+
+" GUI colors
+hi Cursor               guifg=#233b5a guibg=Yellow
+hi CursorIM             guifg=NONE guibg=Yellow
+hi Directory            gui=bold guifg=cyan
+"hi DiffAdd
+"hi DiffChange
+"hi DiffDelete
+hi DiffText             guibg=grey50
+hi ErrorMsg             gui=bold guifg=White guibg=gray85
+hi VertSplit            gui=bold guifg=NONE guibg=gray80
+"hi Folded
+"hi FoldColumn
+"hi IncSearch
+hi LineNr				gui=bold guifg=lightsteelblue guibg=#132b4a
+hi ModeMsg              gui=bold
+"hi MoreMsg
+"hi NonText
+hi Normal               guibg=#233b5a guifg=#fff8dc
+"hi Question
+hi Search               gui=bold guifg=#233b5a guibg=lightgoldenrod
+"hi SpecialKey
+hi StatusLine           guifg=steelblue4 guibg=lightgray 
+hi StatusLineNC         guifg=royalblue4 guibg=lightsteelblue
+"hi Title
+hi Visual               guifg=steelblue guibg=fg
+hi VisualNOS            gui=bold guifg=steelblue guibg=fg
+hi WarningMsg           guifg=White guibg=Tomato
+"hi WildMenu
+
+hi User2				guifg=lightskyblue guibg=#021a39 gui=bold
+
+" If using Motif/Athena
+hi Menu                 guibg=#233b5a guifg=#fff8dc
+hi Scrollbar            guibg=bg
+
+" Colors for syntax highlighting
+hi Comment              gui=italic guifg=mediumaquamarine
+
+hi Constant             gui=bold guifg=lightgoldenrod1
+    hi String           guifg=aquamarine
+    hi Character        guifg=aquamarine
+    hi Number           gui=bold guifg=lightgoldenrod1
+    hi Boolean          gui=bold guifg=lightgoldenrod1
+    hi Float            gui=bold guifg=lightgoldenrod1
+
+hi Identifier           gui=bold guifg=palegreen
+    hi Function         guifg=lightskyblue
+
+hi Statement            gui=bold guifg=cyan
+    hi Conditional      gui=bold guifg=cyan
+    hi Repeat           gui=bold guifg=cyan
+    hi Label            guifg=cyan
+    hi Operator         guifg=cyan
+    "hi Keyword
+    "hi Exception
+
+hi PreProc              guifg=lightsteelblue
+    hi Include          gui=bold guifg=lightsteelblue
+    hi Define           guifg=lightsteelblue
+    hi Macro            guifg=lightsteelblue
+    hi PreCondit        guifg=lightsteelblue
+
+hi Type                 gui=bold guifg=palegreen
+    hi StorageClass     gui=bold guifg=lightgoldenrod1
+    hi Structure        gui=bold guifg=lightgoldenrod1
+    hi Typedef          gui=bold guifg=lightgoldenrod1
+
+"hi Special
+    ""Underline Character
+    "hi SpecialChar
+    "hi Tag
+    ""Statement
+    "hi Delimiter
+    ""Bold comment (in Java at least)
+    "hi SpecialComment
+    "hi Debug
+
+hi Underlined           gui=underline
+
+hi Ignore               guifg=bg
+
+hi Error                gui=bold guifg=White guibg=Red
+
+"hi Todo