added paths to bashrc, added keybinding to tmux to detach from session and exit parent shell

tmux/.config/tmux/tmux.conf

@@ -20,6 +20,8 @@ bind -n M-Down  select-pane -D
 bind -n M-Up    select-pane -U
 bind -n M-Right select-pane -R
 
+bind k run "tmux detach -P"
+
 # enable mouse support
 set -g mouse on
 # bind -n WheelUpPane {