🔧 Add ConquerCam Key Generator script

- Implemented a Ruby script for generating product keys for ConquerCam. - Included functionality for encoding user data and generating a registration email body. - Added command line interface for user input with options for firstname, lastname, company, email, and comment. - Ensured proper handling of empty fields and provided interactive mode if no command line arguments are given. - Saved generated product key and associated data to a binary file named "conquercam.key".