Added a mermaid graph of the project

README.md

@@ -1,5 +1,35 @@
 # LLM RAG ( Ongoing Project 🚧 )
-
+
+## System Architecture
+The following diagram illustrates the flow of data through the system:
+
+```mermaid
+graph TD
+    A[User Files] -->|Read & Process| B[Semantic Database Setup]
+    B -->|Generate Embeddings & FAISS Index| C[Vector Store]
+    C -->|Utilize OpenAI's Models| D[Semantic Search]
+    E[User Query] -->|Vectorization| D
+    D -->|Select Top Documents| F[Top Documents]
+    F -->|Include Selected Docs in Context| G[Contextualized Documents]
+    E -->|Determine Expertise using OpenAI| H[Expertise Area]
+    H -->|Formulate Prompt| I[Prompt with Context]
+    G --> I
+    I -->|Query OpenAI LLM| J[LLM Response]
+    J -->|Generate Answer| K[Answer]
+
+    style A fill:#f9f,stroke:#333,stroke-width:2px
+    style B fill:#bbf,stroke:#333,stroke-width:2px
+    style C fill:#bbf,stroke:#333,stroke-width:2px
+    style D fill:#bbf,stroke:#333,stroke-width:2px
+    style E fill:#f9f,stroke:#333,stroke-width:2px
+    style F fill:#bbf,stroke:#333,stroke-width:2px
+    style G fill:#bbf,stroke:#333,stroke-width:2px
+    style H fill:#bbf,stroke:#333,stroke-width:2px
+    style I fill:#fbb,stroke:#333,stroke-width:2px
+    style J fill:#fbb,stroke:#333,stroke-width:2px
+    style K fill:#fbb,stroke:#333,stroke-width:2px
+```
+
 ## Connect with me 🌐
 <div align="center">
   <a href="https://www.linkedin.com/in/labrijisaad/">