Add "kill" keybinds to tmux

.tmux.conf

@@ -10,6 +10,8 @@ set-option -g prefix C-a
 # tab management (consistent with vim config)
 bind z previous-window
 bind x next-window
+bind q killw
+bind Q confirm-before -p "kill session? (y/n)" kill-session
 
 # initialize plugin manager (this line should always be at the very bottom)
 run '~/.tmux/plugins/tpm/tpm'