feat: made split equally same a nvim

tmux/.tmux.conf

@@ -13,6 +13,9 @@ set -g pane-base-index 1
 set -g renumber-windows on
 set -g status-position top
 
+unbind = 
+bind = select-layout -E
+
 # using vim motions
 bind-key h select-pane -L
 bind-key j select-pane -D