feat: add Milvus vectorDB (#1467)

# What does this PR do?
See https://github.com/meta-llama/llama-stack/pull/1171 which is the
original PR. Author: @zc277584121

feat: add [Milvus](https://milvus.io/) vectorDB

note: I use the MilvusClient to implement it instead of
AsyncMilvusClient, because when I tested AsyncMilvusClient, it would
raise issues about evenloop, which I think AsyncMilvusClient SDK is not
robust enough to be compatible with llama_stack framework.

## Test Plan
have passed the unit test and ene2end test
Here is my end2end test logs, including the client code, client log,
server logs from inline and remote settings

[test_end2end_logs.zip](https://github.com/user-attachments/files/18964391/test_end2end_logs.zip)

---------

Signed-off-by: ChengZi <chen.zhang@zilliz.com>
Co-authored-by: Cheney Zhang <chen.zhang@zilliz.com>
This commit is contained in:
Ashwin Bharambe 2025-03-06 20:59:31 -08:00 committed by GitHub
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commit 330cc9d09d
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@ -68,6 +68,7 @@ A number of "adapters" are available for some popular Inference and Vector Store
| FAISS | Single Node |
| SQLite-Vec| Single Node |
| Chroma | Hosted and Single Node |
| Milvus | Hosted and Single Node |
| Postgres (PGVector) | Hosted and Single Node |
| Weaviate | Hosted |