fix env file

env.example

@@ -1,17 +1,15 @@
-# Rename this file to .env
-
 # Database
-DATABASE_URL="postgresql://username:password@localhost:5432/your_database_name"
+DATABASE_URL=
 
 # Authentication - Better Auth
-BETTER_AUTH_SECRET="your-random-32-character-secret-key-here"
+BETTER_AUTH_SECRET="yourauthsecretgoeshere"
 
 # Google OAuth (Get from Google Cloud Console)
-GOOGLE_CLIENT_ID="your-google-client-id"
-GOOGLE_CLIENT_SECRET="your-google-client-secret"
+GOOGLE_CLIENT_ID=
+GOOGLE_CLIENT_SECRET=
 
 # AI Integration (Optional - for chat functionality)
-OPENAI_API_KEY="sk-your-openai-api-key-here"
+OPENAI_API_KEY=
 
 # App URL (for production deployments)
 NEXT_PUBLIC_APP_URL="http://localhost:3000"