phpMyAdmin README for SuSE

If the php runs on php-fpm, please add these lines in 
/etc/apparmor.d/local/php-fpm:

allow /usr/share/phpMyAdmin/** r,
allow /var/cache/phpMyAdmin/** rw,
allow /usr/share/doc/packages/phpMyAdmin/** r,
allow /etc/phpMyAdmin/** r,

And then restart apparmor:
sudo systemctl restart apparmor