CustomerId Generator

Generate a Customer Id with 2 Letters and 6 Numbers, also you can change the length of the numbers by adding the length in the constructor How to:

        Generator gen = new Generator(context);
        Console.WriteLine(gen.NewCuid());
        
        //The standard length is 2 letters and 6 numbers
        OUTPUT:
        DX746583
        
        Generator gen2 = new Generator(9,context);
        Console.WriteLine(gen2.NewCuid());
        
        //By adding number 9 in the constructor will generate 2 letters and 9 numbers
        OUTPUT:
        AB123456789

context is a list of CustomerIDs which you have to retrieve from the Database. To compare with the Generated one, to avoid duplication.