integrate vim and tmux pane movement

.config/nvim/init.vim

@@ -5,6 +5,7 @@ call plug#begin('~/.local/share/nvim/plugged')
 " Base
 Plug 'tpope/vim-sensible'
 Plug 'tpope/vim-commentary'
+Plug 'christoomey/vim-tmux-navigator' " add seamless movement between vim and tmux
 
 " Ecosystem
 " Plug 'tpope/vim-fugitive' - Will have to take a closer look some other time
@@ -44,6 +45,9 @@ let g:tmuxline_preset = {
   \'z'       : '#H',
   \'options' : {}}
 
+" automatically save the current buffer when navigating away from vim
+let g:tmux_navigator_save_on_switch = 1
+
 " VIM SETTINGS
 " set truecolor (neovim)
 set termguicolors
@@ -110,7 +114,12 @@ vnoremap <F1> <ESC>
 nnoremap <leader>W :%s/\s\+$//<cr>:let @/=''<CR>
 
 " 'open new tab' with leader-t (opens new buffer and switches to it)
-nnoremap <leader>t <C-w>v<C-w><C-w>
+" open actual new tab with leader-T
+nnoremap <leader>t <C-w>v<C-w><C-w>:NERDTreeToggle<cr>
+nnoremap <leader>T :tabedit .<cr>
+
+" save current buffer with Ctrl-s
+nnoremap <C-s> :w<cr>
 
 " open NERDtree with leader-e
 nnoremap <leader>e :NERDTreeToggle<CR>