Milvus native support

[jamesnetherton]

[jamesnetherton]

If nobody else wants to volunteer, I don't mind working on this.

[oscerd]

+1, thanks for taking this up.

[oscerd]

I'm planning to add more Vector Database components on Camel side, like Pinecone and maybe Chromadb

[jamesnetherton]

Turns out dealing with fastjson is a bit of a nightmare. It needs various native mode hacks to get things working.

Thus, I think it'll be better to wait until this change reaches us.