[ Document ] : Improve the clarity of document images

[laglangyue]

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Please do a quick search on GitHub issues first, the feature you are about to request might have already been requested.

Expected Behavior Improve the clarity of document images look at this website: https://docs.spring.io/spring-ai/reference/api/embeddings.html

Current Behavior There is still a lot of webpage space, but the images are very blurry.