* init RAG api types * add RAG endpoints * init main.py for RAG ingest API * init RecursiveCharacterTextSplitter * add BaseRAGIngestion * fix OpenAIRAGIngestion * fix img handler * init OpenAIRAGIngestion * init BedrockRAGIngestion * init BedrockRAGIngestion * init rag tests * init BedrockVectorStoreOptions * implement BedrockRAGIngestion * add BaseRAGAPI * add endpoint for RAG ingest * add ingest RAG endpoints * add test doc * add parse_rag_ingest_request * update endpoints * docs add docs for new RAG API * fix qa check * fix linting * docs ficx * docs * add max depth checks * docs anthropic
