Support Oracle 23ai as vector database

[aalmiray]

Expected Behavior

Oracle 23ai added vector as datatype, it also includes vector search algorithms.

Context

Oracle 23ai is available for free at https://www.oracle.com/database/free
Docker images can be found at https://github.com/gvenzl/oci-oracle-free

[elkana]

Try this https://github.com/elkana/spring-ai-oracle-rag.git

[fmeheust]

@elkana, I was going to start working on an implementation of a VectorStore using Oracle 23ai, but I see that you have already done it. Are you planning to contribute your code to Spring AI ?