[FEATURE] Add SSLCACertificate

[kjkeane]

Is your feature request related to a problem?

• SSLCertificateChainFile has been obsolete with version 2.4.8 of Apache, Note can be found in the link below
  https://httpd.apache.org/docs/2.4/mod/mod_ssl.html#sslcertificatechainfile

• Has been replaced by SSLCACertificateFile, SSLCertificateFile (has been extended to support CA certificates), and SSLCACertificatePath
  https://httpd.apache.org/docs/2.4/mod/mod_ssl.html#sslcacertificatefile
  https://httpd.apache.org/docs/2.4/mod/mod_ssl.html#sslcacertificatepath

Describe the solution you'd like

Adding support for at least SSLCACertificateFile, and possibly SSLCACertificatePath

Describe alternatives you've considered

N/A

Additional context