API_KEY: Bard: "aAhD1NyQqzeoXs8PclDOD_hvEI3N9uHnsn2F0isADM5FFwBfYxatJf1csSUTMo4TXLjOxA." CHUNK: chunk_size: 256 chunk_overlap: 20 CHAT: chat_context_length: 20 EMBEDDINGS: HuggingFaceEmbeddings: model_name: "keepitreal/vietnamese-sbert" model_kwargs: {"device": "cpu"} LOCAL_PATH: main_path: "C:/Users/duong/OneDrive/Desktop/VietNam Housing App"