Initial commit for Aider repo map guide

First COmmit

fix: Update frontend to handle nested response structure

fix: Remove duplicate CORS middleware configuration

fix: Reduce workers to 1 and increase timeout for better startup

fix: Remove duplicate CORS configuration and fix Response import

fix: Add dedicated OPTIONS endpoint for /rag-chat and improve CORS headers

fix: Comprehensive CORS and error handling fixes

fix: Comprehensive CORS and error handling for /rag-chat endpoint

fix: Match frontend and backend response structures

fix: Remove custom OPTIONS handler and simplify CORS

fix: Match rag-chat with working upload endpoint configuration

fix: Comprehensive CORS fix for both frontend and backend

fix: Simplify CORS configuration for both frontend and backend

fix: Add CORS mode and credentials to frontend chat request