feat: replicate demo integration

[lucataco]

Hello, awesome work on DeepSeek-VL

As you requested, this is a new PR to add the Replicate badge and web demo. (For reference this was the original PR: https://github.com/deepseek-ai/DeepSeek-VL/pull/5#issuecomment-1990645505)

This PR makes it possible to run DeepSeek-VL on Replicate(https://replicate.com/lucataco/deepseek-vl-7b-base) and via API(https://replicate.com/lucataco/deepseek-vl-7b-base/api).

With your permission, we'd like to transfer the demo page to the Replicate deepseek-ai org so you can make any edits.

Thank you!