### Description
Following up on https://github.com/infiniflow/ragflow/pull/275, this PR
adds support for FastEmbed model configurations.
The options are not exhaustive. You can find the full list
[here](https://qdrant.github.io/fastembed/examples/Supported_Models/).
P.S. I ran into OOM issues when building the image.
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
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Co-authored-by: KevinHuSh <kevinhu.sh@gmail.com>
826ad6a33a