fix script and update tmux config

tmux/.tmux.conf

@@ -60,6 +60,8 @@ set -g @rose_pine_variant 'main' # Options are 'main', 'moon' or 'dawn'
 set -g @rose_pine_date_time '%Y-%m-%d %H:%M '
 set -g @rose_pine_directory 'on'
 set -g @rose_pine_disable_active_window_menu 'on'
+
+set -g @plugin 'MunifTanjim/tmux-mode-indicator'
 set -g @rose_pine_status_left_prepend_section '#{tmux_mode_indicator}'
 
 # bind F5 to theme switch