update README.md

README.md

@@ -159,10 +159,16 @@ You can either add the following snippet to your `~/.tmux.conf`/`~/.config/tmux/
 # See: https://github.com/christoomey/vim-tmux-navigator
 is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
     | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
-bind-key -n 'C-h' if-shell "$is_vim" 'send-keys C-h'  'select-pane -L'
-bind-key -n 'C-j' if-shell "$is_vim" 'send-keys C-j'  'select-pane -D'
-bind-key -n 'C-k' if-shell "$is_vim" 'send-keys C-k'  'select-pane -U'
-bind-key -n 'C-l' if-shell "$is_vim" 'send-keys C-l'  'select-pane -R'
+bind-key -n C-h if-shell "$is_vim" 'send-keys C-h'  'select-pane -L'
+bind-key -n C-j if-shell "$is_vim" 'send-keys C-j'  'select-pane -D'
+bind-key -n C-k if-shell "$is_vim" 'send-keys C-k'  'select-pane -U'
+bind-key -n C-l if-shell "$is_vim" 'send-keys C-l'  'select-pane -R'
+
+bind-key -n M-h if-shell "$is_vim" 'send-keys M-h' 'resize-pane -L 3'
+bind-key -n M-j if-shell "$is_vim" 'send-keys M-j' 'resize-pane -D 3'
+bind-key -n M-k if-shell "$is_vim" 'send-keys M-k' 'resize-pane -U 3'
+bind-key -n M-l if-shell "$is_vim" 'send-keys M-l' 'resize-pane -R 3'
+
 tmux_version='$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p")'
 if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
     "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"