Added: Second set of listener files

Quote from i-MSCP Github (hotfixes)

Code

1. Added: Second set of listener files
3. 40_apache2_tools_proxy.pl
4. 50_apache2_hsts.pl
5. 10_nginx_hsts.pl
6. 10_phpfpm_maxchildren.pl
7. 60_postfix_pfs.pl
8. 70_postfix_submission_tls.pl
9. 10_proftpd_tuning.pl
10. 10_roundcube_tls.pl

Source: https://github.com/i-MSCP/imsc…834f713428b2c577260bb5b05