[Feature] Adding LLM memory

[thespacedeck]

Is this your first time submitting a feature request?

• I have searched the existing issues, and I could not find an existing issue for this feature
• I am requesting a straightforward extension of existing functionality

Describe the feature

add LLM memory to chat

const vectorStore = new MemoryVectorStore(new OpenAIEmbeddings());
    const memory = new VectorStoreRetrieverMemory({
      // 1 is how many documents to return, you might want to return more, eg. 4
      vectorStoreRetriever: vectorStore.asRetriever(1),
      memoryKey: "history",
    });

    // Build an LLM chain that will improve the user prompt
    const inquiryChain = new LLMChain({
      llm,
      prompt: new PromptTemplate({
        template: templates.inquiryTemplate,
        inputVariables: ["userPrompt", "conversationHistory"],
      }),
      memory: memory,
    });

Describe alternatives you've considered

No response

Who will this benefit?

everyone looking at the repository from coming from the article: https://www.pinecone.io/learn/javascript-chatbot/

Are you interested in contributing this feature?

yes would like to contribute :)

Anything else?

No response