vim: Add RST; disable Elixir 'ip' map

vimrc

@@ -35,6 +35,7 @@ call plug#begin('~/.vim/plugged')
     Plug 'ap/vim-css-color'
     Plug 'pangloss/vim-javascript'
     Plug 'othree/html5.vim'
+    Plug 'matthew-brett/vim-rst-sections'
 
     Plug 'elixir-editors/vim-elixir'
     Plug 'elzr/vim-json'
@@ -64,7 +65,7 @@ endif
 augroup filetype_elixir
   autocmd!
   autocmd BufRead * imap ii  IO.inspect(
-  autocmd BufRead * imap ip  IO.puts(
+  " autocmd BufRead * imap ip  IO.puts(
 augroup END
 
 augroup filetype_vue
@@ -302,7 +303,7 @@ map <F1> :!man <cword><CR>
 " Use fzf to find files
 map <F2>  :Files<CR>
 map <C-P> :Files<CR>
-" map <C-S-P> :Files <C-R>=expand("%:p:h")<CR>
+map <C-O> :Files <C-R>=expand("%:p:h")<CR>
 
 nnoremap <silent> <leader>m :FZFMru<CR>