htpasswd generator

**Is your feature request related to a problem? Please describe.**
htpasswd generator - Similar to https://hostingcanada.org/htpasswd-generator/

**Describe the solution you'd like**
Similar to https://hostingcanada.org/htpasswd-generator/

**Describe alternatives you've considered**
None

**Additional context**
Similar to https://hostingcanada.org/htpasswd-generator/

Start by reviewing CyberChef's existing operation structure and how it handles password or authentication-related transformations; the issue names no files, tests, or entry point. Compare the requested behavior with the linked htpasswd generator, then define the supported inputs, output format, and tests needed before implementation can be considered complete.

Written by the indexing model from the issue text.