add basic neovim configuration

home/.config/nvim/autoload/gruvbox.vim

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+" -----------------------------------------------------------------------------
+" File: gruvbox.vim
+" Description: Retro groove color scheme for Vim
+" Author: morhetz <morhetz@gmail.com>
+" Source: https://github.com/morhetz/gruvbox
+" Last Modified: 09 Apr 2014
+" -----------------------------------------------------------------------------
+
+function! gruvbox#invert_signs_toggle()
+  if g:gruvbox_invert_signs == 0
+    let g:gruvbox_invert_signs=1
+  else
+    let g:gruvbox_invert_signs=0
+  endif
+
+  colorscheme gruvbox
+endfunction
+
+" Search Highlighting {{{
+
+function! gruvbox#hls_show()
+  set hlsearch
+  call GruvboxHlsShowCursor()
+endfunction
+
+function! gruvbox#hls_hide()
+  set nohlsearch
+  call GruvboxHlsHideCursor()
+endfunction
+
+function! gruvbox#hls_toggle()
+  if &hlsearch
+    call gruvbox#hls_hide()
+  else
+    call gruvbox#hls_show()
+  endif
+endfunction
+
+" }}}
+
+" vim: set sw=2 ts=2 sts=2 et tw=80 ft=vim fdm=marker:

home/.config/nvim/init.vim

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+set title
+set mouse=a
+set cursorline
+set number
+set whichwrap+=<,>,[,]
+set virtualedit=block
+set scrolloff=3
+set shortmess=atToOI
+
+" double slash to use full path to file
+set backup backupdir=~/.local/state/nvim/backup//
+set undofile
+
+set wildmode=list:longest,full
+
+set expandtab softtabstop=4 shiftwidth=4
+set cinoptions=(0
+
+set ignorecase
+set smartcase
+
+let mapleader = ","
+
+colorscheme gruvbox
+
+" highlight trailing whitespace, except when typing at eol
+highlight ExtraWhitespace ctermbg=darkred guibg=darkred
+match ExtraWhitespace /\s\+$/
+autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
+autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
+autocmd InsertLeave * match ExtraWhitespace /\s\+$/
+autocmd BufWinLeave * call clearmatches()

home/.config/user-tmpfiles.d/vim.conf

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+d /root/.local/state/nvim/backup 0700 root root 10d
+d /root/.local/state/nvim/swap 0700 root root 10d
+d /root/.local/state/nvim/undo 0700 root root 10d