How to use alternative face description models?

[alganzory]

Issue Description
I am not sure how models other than faceres are supposed to be use? I wanna use gender model but it seems to not work with blazeface, is there a specific configuration for models like gender, gear, etc?

Steps to Reproduce

Expected Behavior

Environment

• Human library version?
• Built-in demo or custom code?
• Type of module used (e.g. js, esm, esm-nobundle)?
• TensorFlow/JS version (if not using bundled module)?
• Browser or NodeJS and version (e.g. NodeJS 14.15 or Chrome 89)?
• OS and Hardware platform (e.g. Windows 10, Ubuntu Linux on x64, Android 10)?
• Packager (if any) (e.g, webpack, rollup, parcel, esbuild, etc.)?
• Framework (if any) (e.g. React, NextJS, etc.)?

Diagnostics

• Check out any applicable diagnostic steps

Additional

• For installation or startup issues include your package.json
• For usage issues, it is recommended to post your code as gist
• For general questions, create a discussion topic

[vladmandic]

see https://github.com/vladmandic/human/blob/main/demo/faceid/index.ts for examples.