Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/softblue.vim

@@ -0,0 +1,45 @@
+" Vim color file
+" Maintainer:   Zhang Jing
+" Last Change:  %[% 2005<30><35>12<31><32>07<30><37> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 10ʱ41<34><31>49<34><39> %]%
+
+set background=dark
+if version > 580
+    hi clear
+    if exists("syntax_on")
+	syntax reset
+    endif
+endif
+let g:colors_name="softblue"
+
+hi Normal	    guibg=#183058   guifg=#b0b0e0
+
+hi Cursor	    guibg=#b3b2df   guifg=grey30    gui=bold
+hi VertSplit	guibg=#466292   guifg=grey50    gui=none
+hi Folded	    guibg=#0d2349   guifg=lightblue
+hi FoldColumn	guibg=#0d2349   guifg=lightblue
+hi IncSearch	guifg=slategrey guibg=khaki
+hi LineNr		guifg=grey30
+hi ModeMsg	    guifg=SkyBlue
+hi MoreMsg	    guifg=SeaGreen
+hi NonText	    guifg=LightBlue guibg=#0d2349
+hi Question	    guifg=#487cc4
+hi Search	    guibg=#787878   guifg=wheat
+hi SpecialKey	guifg=yellowgreen
+hi StatusLine	guibg=#466292   guifg=black     gui=none
+hi StatusLineNC	guibg=#466292   guifg=grey22    gui=none
+hi Title	    guifg=#38d9ff
+hi Visual	    guifg=lightblue guibg=#001146   gui=none
+hi WarningMsg	guifg=salmon
+hi ErrorMsg     guifg=white     guibg=#b2377a
+
+hi Comment	    guifg=#6279a0
+hi Constant	    guifg=#9b60be
+hi Identifier	guifg=#00ac55
+hi Statement	guifg=SkyBlue2
+hi PreProc	    guifg=#20a0d0
+hi Type		    guifg=#8070ff
+hi Special	    guifg=#b6a040"wheat4"#7c9cf5"a2b9e0
+hi Ignore 	    guifg=grey40
+hi Error        guifg=white     guibg=#b2377a
+hi Todo		    guifg=#54b900   guibg=#622098   gui=bold
+"vim:ts=4:tw=4