[gguf] document new types

[mishig25]

Adding new types from huggingface/huggingface.js#729

cc: @CISC

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

[julien-c]

(how do you generate it btw? just code editor ninja skills?)

[mishig25]

Atm, the process is manual. There is no automatic script for two reasons:

1. the order shown on this table is different from there order shown on gguf.js
2. The text written in gguf.js is plain text. In the docs, I try to highlight the codes with markdown when appropriate