feature: add embedding vector database

[linonetwo]

Description 描述

So we can use it as LLM memory or speedup searching.

Additional Context 额外上下文

No response

[linonetwo]

weaviate is not ok, it only supports linux https://weaviate.io/developers/weaviate/installation/embedded

[linonetwo]

Milvus Lite can be used in python https://milvus.io/docs/milvus_lite.md#Configure-Milvus-Lite

[linonetwo]

Maybe https://github.com/asg017/sqlite-vss is the best choice for embedding vector database

[linonetwo]

belladoreai/llama-tokenizer-js#5 (comment) Need to use things like Word2Vec

[linonetwo]

Description

So searching and auto-generation works better. This can be download on demand, and can be reused when tidgi updated. So the model file can be exist on user/document folder?

Additional Context

When chat about srs in qq group, I think it is better not using user's brain for memorizing.

tiddly-gittly/TidGi-Desktop#334

[linonetwo]

https://github.com/Embedding/Chinese-Word-Vectors

[linonetwo]

Use llama-node embedding https://llama-node.vercel.app/docs/backends/llama.cpp/embeddings

[linonetwo]

应该作为一个插件，提供 indexer

[linonetwo]

语义图片搜索，如果嵌入了 sqlite-vss 向量数据库，可以参考 https://github.com/EdVince/CLIP-ImageSearch-NCNN 对图片都生成向量缓存起来，方便直接搜图片内容