tmux: rebind stuff under prefix

try not to conflict with vim bindings

src/.config/tmux/tmux.conf

@@ -47,8 +47,8 @@ set-hook -g pane-exited 'run-shell "dwm.tmux layouttile"'
 bind e newpane
 bind w newpanecurdir
 bind c killpane
-bind -n C-n nextpane
-bind -n C-o prevpane
+bind j nextpane
+bind k prevpane
 bind -n C-b zoom
 bind h decmfact
 bind l incmfact