Add `ts` alias for nicer formatting

dotfiles/bash/main.bashrc

 alias pad4='sed -e "s/^/    /"'
 alias grep='grep --color --binary-files=without-match'
 alias sc='se --direction=encz.cz'
+alias ts='ts "%F %T"'
 alias lsblk='lsblk -o +UUID,LABEL'
 alias virsh='virsh --connect qemu:///system'
 alias xaa='xclip -o | audit2allow'