🔧 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".