Added cleanup command to remove merged local branches

.gitconfig

@@ -10,6 +10,7 @@
   pu = pull
   r = reset
   s = status
+  cleanup = "!output=$(git fetch -p && git branch -vv | grep ': gone]' | grep -v '*' | awk '{ print $1 }' | xargs -r git branch -d) && if [[ -z \"$output\" ]]; then echo 'No unparented branches deleted'; else echo \"$output\"; fi"
 [credential "https://git.zacke.dev"]
 	provider = generic
 [push]