update chatbot

.gitignore

@@ -0,0 +1,58 @@
+# Node modules
+node_modules/
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Environment variables
+.env
+
+# Build output
+dist/
+build/
+public/
+
+# Cache
+.cache/
+.npm/
+.vscode/
+.DS_Store
+
+# Optional npm cache directory
+.npm/
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+node_repl_history
+
+# Testing
+coverage/
+
+# Production
+*.env.*
+
+# Editor directories and files
+.idea/
+*.sublime-workspace
+*.sublime-project
+.vscode/
+*.code-workspace
+
+# Dependency directories
+frontend/node_modules/
+backend/node_modules/
+
+# MacOS
+.DS_Store
+
+# Linux
+*~
+
+# Windows
+Thumbs.db