[Problem solved]
Problem
i had a problem in eeschema when choosing symbols it says : 0 items loaded
Solution
archlinux
sudo pacman -S kicad kicad-library
then click on the amplifier symbols wich says : create, delete and edit symbols
then go to file => add library …
select usr/share/kicad/library/Transformer.lib for example
thats it. i hope it’s helpful