Updated application

Packages.md

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+# Required Packages 
+
+```sh
+python3.11 -m venv --clear .venv    # Clear .venv folder before proccedding
+source .venv/bin/activate
+
+pip install python-dotenv pydantic typer --upgrade
+pip install -U langchain langchain-community langchainhub langchain_huggingface sentence-transformers
+pip install -U langchain_experimental 
+pip install -U langchain-openai langchain-groq langchain-aws
+pip install -U langgraph gradio
+pip install -U langchain-openai langchain-groq langchain-aws
+
+
+
+```
+
+
+