docs: complete readme

readme.md

@@ -1,4 +1,4 @@
-# Build a Natural Language SQL Chatbot with GPT-4
+# Build a Natural Language SQL Chatbot with GPT-4 and Mistral AI
 
 Welcome to the GitHub repository for our tutorial on building a natural language SQL chatbot using GPT-4! This project guides you through the development of a chatbot that can interpret natural language queries, generate SQL queries, and fetch results from a SQL database, all in an intuitive and user-friendly way. It utilizes the power of OpenAI's GPT-4 model, integrated with a Streamlit GUI for an enhanced interaction experience.
 
@@ -15,7 +15,13 @@ Welcome to the GitHub repository for our tutorial on building a natural language
 
 The chatbot works by taking a user's natural language query, converting it into a SQL query using GPT-4, executing the query on a SQL database, and then presenting the results back to the user in natural language. This process involves several steps of data processing and interaction with the OpenAI API and a SQL database, all seamlessly integrated into a Streamlit application.
 
-For a more detailed explanation and a step-by-step guide, refer to the [YouTube video tutorial](https://youtu.be/link-to-your-video).
+Consider the following diagram to understand how the different chains and components are built:
+
+![Chatbot Architecture](./docs/mysql-chains.png)
+
+For a more detailed explanation and a step-by-step guide, refer this other video: [YouTube video tutorial](https://youtu.be/9ccl1_Wu24Q).
+
+For a more detailed explanation and a step-by-step guide, refer to the [YouTube video tutorial](Chat with MySQL Database with Python | LangChain Tutorial).
 
 ## Installation
 Ensure you have Python installed on your machine. Then clone this repository: