Adding Milvus vectorstore to SuperAGI

[filip-halt]

Integrating Milvus as a vector store.

[fzliu]

Bumping to see if there's an update there. Any chance we can get this merged?

[CLAassistant]

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1 out of 2 committers have signed the CLA.

:white_check_mark: filip-halt
:x: Filip Haltmayer

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[filip-halt]

CLA has been signed, let me know what else needs to be done.

[JohnHunt999]

Hey, @filip-halt we need Milvus DB to support meta data filtering. Please let me know if that is possible, then we will be good to go.