Update title and styles for MDA IT Support

Revise IT Helpdesk response guidelines

Integrate DynamoDB for session management

Refactor chat input to support image attachments

Add image processing and enhance query handling

Refactor lambda function for improved guardrails

Enhance README with architecture and feature details

Revise team member roles in README

Resolve merge conflict on index.html

Rest of the files

Fix clone command formatting in README

Update repository clone URL in README

Added simple interaction with the RAG model

Add system architecture documentation

Revise README with project overview and details