Add bionemo-recipes to documentation (#1328)

Add bionemo-recipes to documentation.

Also tidy-up image paths.

Video of recipes changes:




https://github.com/user-attachments/assets/f8f29f03-4d2c-4d7f-b9d0-a3d451549fcd



To run locally, from root:

```
docker build -t nvcr.io/nvidian/cvai_bnmo_trng/bionemo2-docs -f docs/Dockerfile .

docker run --rm -it -p 8000:8000 \
  -v ${PWD}/docs:/docs \
  -v ${PWD}/sub-packages:/sub-packages \
  -v ${PWD}/bionemo-recipes:/bionemo-recipes \
  nvcr.io/nvidian/cvai_bnmo_trng/bionemo2-docs:latest
```

---------

Signed-off-by: Jared Wilber <jwilber@nvidia.com>

Author: jwilber