Use Gruvbox-dark theme for vim

.config/nvim/init.vim

@@ -98,14 +98,13 @@ endif
 
 call plug#begin(data_dir . '/plugins')
 
-" source ~/.config/nvim/plugins/abolish.vim
 source ~/.config/nvim/plugins/airline.vim
-source ~/.config/nvim/plugins/arduino.vim
+" source ~/.config/nvim/plugins/arduino.vim
 source ~/.config/nvim/plugins/coc.vim
 source ~/.config/nvim/plugins/commentary.vim
 source ~/.config/nvim/plugins/context-commentstring.vim
 source ~/.config/nvim/plugins/dispatch.vim
-source ~/.config/nvim/plugins/dracula.vim
+source ~/.config/nvim/plugins/gruvbox.vim 
 source ~/.config/nvim/plugins/editorconfig.vim
 source ~/.config/nvim/plugins/eunuch.vim
 source ~/.config/nvim/plugins/exchange.vim

.config/nvim/plugins/airline.vim

@@ -1,7 +1,7 @@
 Plug 'vim-airline/vim-airline'
 Plug 'vim-airline/vim-airline-themes'
 
-let g:airline_theme = 'dracula'
+let g:airline_theme = 'gruvbox'
 let g:airline_powerline_fonts = 1
 let g:airline_skip_empty_sections = 1
 

.config/nvim/plugins/gruvbox.vim

@@ -0,0 +1,19 @@
+Plug 'morhetz/gruvbox'
+
+"Use 24-bit (true-color) mode in Vim/Neovim when outside tmux.
+"If you're using tmux version 2.2 or later, you can remove the outermost $TMUX check and use tmux's 24-bit color support
+"(see < http://sunaku.github.io/tmux-24bit-color.html#usage > for more information.)
+if (empty($TMUX))
+  if (has("nvim"))
+    "For Neovim 0.1.3 and 0.1.4 < https://github.com/neovim/neovim/pull/2198 >
+    let $NVIM_TUI_ENABLE_TRUE_COLOR=1
+  endif
+  "For Neovim > 0.1.5 and Vim > patch 7.4.1799 < https://github.com/vim/vim/commit/61be73bb0f965a895bfb064ea3e55476ac175162 >
+  "Based on Vim patch 7.4.1770 (`guicolors` option) < https://github.com/vim/vim/commit/8a633e3427b47286869aa4b96f2bfc1fe65b25cd >
+  " < https://github.com/neovim/neovim/wiki/Following-HEAD#20160511 >
+  if (has("termguicolors"))
+    set termguicolors
+  endif
+endif
+
+autocmd vimenter * ++nested colorscheme gruvbox