feat: add custom validate function

[jaluik]

• What kind of change does this PR introduce?
  Feature: Adds custom validate function.

• What is the current behavior?
  Currently, I have changed the project to include a custom validation function called customValidate.

• What is the new behavior (if this is a feature change)?
  The new behavior introduces the ability to incorporate a custom validation function named customValidate, which determines whether to skip duplicate code detection.

• Other information:
  N/A

---

This change is