Trigger to avoid recursive trigger call on contact object (create contact) - Salesforce

public class ContactInsertHandler {
    public static void createContact()
    {
        Contact cont = new Contact();
        cont.LastName = 'Dharmik';
        insert cont;
    }
    
    private static boolean run = true;
    
    
    public static boolean runOnce(){
    
    if(run) {   
     run=false;
     return true;
    }
    else {
            return run;
      }
    }

}

Trigger: