[Feature] Support Spiking Brain Moe

[sprappcom]

Checklist

• [ ] 1. If the issue you raised is not a feature but a question, please raise a discussion at https://github.com/kvcache-ai/ktransformers/discussions. Otherwise, it will be closed.
• [ ] 2. To help the community, I will use Chinese/English or attach an Chinese/English translation if using another language. Non-English/Chinese content without translation may be closed.

Motivation

https://github.com/BICLab/SpikingBrain-7B

please support this

Related resources

No response