feat(tmux): add rename-window keybind and container export script

- Bind R to prompt for window rename in tmux
- Add script to export an incus container to /srv/backup

config/tmux/tmux.conf

@@ -97,6 +97,7 @@ bind / command-prompt "split window 'exec man %%'"
 bind B command-prompt -p "New Session:" "new-session -A -s '%%'"
 bind Tab switch-client -l
 
+bind R command-prompt -p "Rename Window:" "rename-window '%%'"
 bind t run-shell -b "~/.local/bin/t"
 bind Enter run-shell -b "~/.local/bin/s"
 bind Q confirm kill-session

script/export-container.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+test -z "$1" && exit
+
+incus export $1 /srv/backup/$1-$(date +"%Y%m%d").tar.gz