vim: add windowswap

vimrc

@@ -19,6 +19,7 @@ call plug#begin('~/.vim/plugged')
     Plug 'vim-airline/vim-airline-themes'
 
     Plug 'scrooloose/nerdtree'
+    Plug 'wesQ3/vim-windowswap'
 
     " be sure to read full install instructions. this still needs
     " you to cd ~/.vim/plugged/YouCompleteMe
@@ -301,10 +302,6 @@ nnoremap <silent> <leader>m :FZFMru<CR>
 map <F3> :Ag <C-R>=expand("<cword>")<CR><CR>
 nnoremap <leader>f :Ag <C-R>=expand("<cword>")<CR><CR>
 
-" use F4 to jump into and out of hex editing. Bit dangerous for normal use...
-" map <F4> :set binary<CR>:%!xxd<CR>
-" map <S-F4> :%!xxd -r<CR>
-
 " use F4 to bring up NERDTree
 map <F4> :NERDTree<CR>
 nnoremap <leader>n :NERDTreeToggle<cr>