update readme

README.md

@@ -208,58 +208,6 @@ The application uses JWT-based authentication with the following features:
 - Protected routes for authenticated users
 - Session management with HTTP-only cookies
 
-## 🎯 Key Features Explained
-
-### Question Search
-- Search by keywords in title and content
-- Filter by tags using `[tag]` syntax
-- Combine multiple search criteria
-- Real-time search results
-
-### Voting System
-- Users can upvote/downvote answers
-- Vote tracking prevents duplicate votes
-- Vote counts displayed in real-time
-
-### Comment System
-- Add comments to answers
-- Threaded comment display
-- User attribution and timestamps
-
-### Tag Management
-- Automatic tag creation
-- Tag validation and suggestion
-- Question count per tag
-
-## 🚀 Deployment
-
-### Production Build
-```bash
-# Build client for production
-cd client
-npm run build
-
-# The build files will be in client/build/
-```
-
-### Environment Variables
-Set the following environment variables for production:
-- `NODE_ENV=production`
-- `MONGODB_URI=<production-mongodb-uri>`
-- `JWT_SECRET=<secure-random-string>`
-- `CLIENT_URL=<production-client-url>`
-
-
-
-## 📝 Code Style
-
-- TypeScript for type safety
-- ESLint for code linting
-- Prettier for code formatting
-- Jest for testing
-- Comprehensive JSDoc comments
-
-