zsh/aliases: add ssh key listing alias

.zsh/aliases.zsh

@@ -34,6 +34,7 @@
  alias ip='ip -color'
  alias nmcs='nmcli conn show'
  alias subvols='sudo btrfs subvolume list /home | grep -v -e ".snapshots" -e "${USER}/.local/share/containers" -e "${USER}/.docker" | grep ${USER}'
+ alias keyz='ssh-add -l'
  alias gitagain='GIT_COMMITTER_DATE="$(git show -s --format=%ci HEAD)" git commit --amend'
 [ -z "$IN_NIX_SHELL" ] && {
 	alias gor='nixGLIntel go run'