Add better whitespace vim plugin

template/nvim/.config/nvim/init.vim

@@ -26,6 +26,7 @@ Plug 'othree/javascript-libraries-syntax.vim'
 Plug 'styled-components/vim-styled-components', { 'branch': 'main' }
 Plug 'vim-pandoc/vim-pandoc-syntax'
 Plug 'Vimjas/vim-python-pep8-indent'
+Plug 'ntpeters/vim-better-whitespace'
 
 Plug 'junegunn/fzf.vim'
 Plug 'scrooloose/nerdtree'