Plugin Support

[ZBX-23340] added new method to create tls configuration

* commit '23cef0bccc0dda14dbff6a7db733faee3678b595':
  [ZBX-23340] code clean-up
  [ZBX-23340] moved tls cert loading to a separate function
  [ZBX-23340] code update based on PR commits
  [ZBX-23340] updated change log
  [ZBX-23340] added custom tls certificate verification function
  [ZBX-23340] added new method to create tls configuration